Bike wobble at low speed Information and questions on GL1200 Goldwings (1984-1987) 14 posts • Page 1 of 1. With 55K I just had both front axle shafts replaced under warranty. Jump to Latest 2K views 4 replies 3 participants last post by ezriderbeef Jun 8, 2010. Allow How do you stop a speed wobble? You can cure a speed wobble by altering your speed, your position or your grip on the handlebar. On my my 400 bike I don't even upshift to 2nd gear till 8k RPMs at 30mph. The wobble mode involves the rotation of the front assembly about the steering axis, while the weave mode involves the entire bike, including the rider. I thought at first it was maybe new bike + new tires+ very round profile compared to my other bikes who's tires are well worn (being replaced next week) and the fact my 890 has a damper. Every tire has a recommended tire pressure range that should be followed accurately if you want your bike to perform effectively. What to do if a motorcycle handlebar wobble occurs? Don't tense up. Ever have a bike that was hard to ride no handed at low speeds but was fine if you cocked your butt to one side and leaned the bike just a bit? In most cases that is wobble but in My '07 C90 came with a steering dampener and it still had the low speed wobble. The "looseness" moderated at higher speeds, and the bike handled ok on the highway, but it would come back at slow speeds. Main data of test bicycle and rider. I will upgrade my suspension and get tires down the road need to get some miles on the bike and do not want to mess with the warranty. Put new tires on, the handle bar wobble is gone, ride the bike for 5000 miles and it will be back. It All 2 wheeled bikes wobble and weave but at what speeds this happens at will depend on the weight distribution on the bike - the riders weight and placement (leaning forwards or sat up) and luggage/pillions. This cyclical vibration can be felt Thanks for posting on r/MechanicAdvice!This is just a reminder to review the rules. Result, more stable bike, no high speed wobble, new bike really. Even going really low speeds on first gear my bike wants to swerve back and forth. It's a common issue that many riders face, but understanding why it happens is crucial to improving your ride. Several factors can contribute to instability at cornering speeds, from tire conditions to suspension settings. and remember rule 3a, please post the year/make/model of the vehicle you are working on. Forums. By leaning back, you return the If a swingarm bearing is why your motorcycle has a front wheel wobble, you may not notice the shaking when you’re riding on smooth, straight roads. This is different than a wobble, which is due to an under-damped over-correcting steering response: in the case of a bike, due to trail, in the case of an EUC, due to camber effect response to tilt (left | right), and probably contact patch flexing. Most new machines wind up needing the neck bearings tightened within the first 10,000 miles and yours is probably no exception. There is no universally good way to get your self out of a high speed wobble. Then, the whole bike could be seen "weaving". Checked the front tire for cupping then tightened up the steering nut even more. Because the alignment is off the tires are fighting against each other which causes the steering wheel to shake at a Today let’s talk about a speed wobble or tank slapper – why it happens, how can we prevent it and what we can to to stop it. Speed wobble, or tank slapper is Low speed wobble coasting down from 35 to 30. Jump to Latest 4K views 7 replies 8 participants last post by cschnauf May 5, 2011. If you somehow do get a speed wobble don't panic. replaced front tire and it improved 50% but you can still feel that wobble. Hi Kev, Virtually all trikes with standard bike front ends suffer with low speed wobble, the only true way to fix it is to lessen the trail by moving the front wheel further forward without altering the headstock, this can be done with raked yokes, springer, girder or leading link forks or on some Harleys offset bearing cups. I can actually feel the wobble as soon as the bike starts moving. You're about to dive into the reasons The first time they were too tight, and the bike tended to wander as the steering was too slow to return to center. Speed wobbles, or rather Slow wobbles . Can a loose steering column (bearings ) cause this . first is it a trike or a motorbike and sidecar if it a trike steering . I haven't felt courageous enough to test this at high speeds for fear of crashing. ” It’s a phenomenon How to stop a speed wobble. And yes this I haven't topped out my 2019 Tracer GT yet (it's been snowy and -10C most of the time since I got it, so I've only been riding at sane speeds) but in my limited fair-weather time I've had it to 200kph shimmy free. I had it adjusted, and the guy told me that with these bikes, you have to So recently while going on a solo ride up north I noticed a wobble when I let go of my handlebars. He bought “extra” tires years ago and it has one original in the front (I’ll be replacing the original tire with something new, original is in good shape not cracked or dried out but want to What are the causes of front wheel wobble at low speeds. Swingarm Issues : Excessive movement of the swingarm, particularly in sportbike suspensions, can lead to an unstable ride. Jump to Latest 5. This is an unrestored original one owner bike. 5,000 miles and 10 days later the wobble was back. I took the relatively new Dunlop E3's off (approx. The things I've checked already are: The headset is properly adjusted with no play and no binding Discussion Forum: Death Wobble at low speed (gl1200 sei) • GL1200 Information & Questions • The premier web site for Goldwing technical information, DIY tutorials and community discussion A comprehensive guide on speed wobble for cyclists, detailing its causes, from bike design to riding posture, and offering prevention and handling techniques to maintain control, especially on high-speed descents and rough terrain. Again, this problem is not at all noticable until bike is at speeds say above 70. Low speed wobble when turning. So how's the fishin? What's causing my bike to wobble at high speed? The biggest difference between high speed wobbles and low speed wobbles is that low speed wobbles are usually due to just mechanical issues. Reply reply Deathscythe134 • I had an issue with suspension. Low speed wobble. Jump to Latest 9. 4. Balancing the back wheel did improve it but it took a sizeable weight to correct it and I could still feel it a little. It has mag wheels. (I only use metzeler tires-personal preference). My old dahon folding bike had 20" wheels front and back that never felt stable at any speed. My bike did that when it was new with new tires and proper pressure. From tire issues Don't ignore it! I have an 08 runs straight my 07 wants to wobble at low speed when lane splitting. I bought it used, front tire was warped. Several things can cause the issue tire Low speed wobble? Well, avoid going slow! It seems like the C10 is heavy up front, and any slop in the front end results in instability. This started happening suddenly during a longer trip. They said everything they checked was in good condition, and they examined the front tire and found what Hi Kev, Virtually all trikes with standard bike front ends suffer with low speed wobble, the only true way to fix it is to lessen the trail by moving the front wheel further forward without altering the headstock, this can be done with raked yokes, springer, girder or leading link forks or on some Harleys offset bearing cups. Everything to me leads to the front tire. Also it's not a bad idea to have 60 front 40 back. bicycle mass 14. Wobble gone instantly. Dunno if it will help, but the speed wobble is also linked to the bikes centre of gravity. Now, it's more of a By the way he recently had the bike and sidecar set up by Charnwood so I expect the geometry to be OK. 55 posts · Joined 2008 Add to quote; Only show this user #1 · Jul 25, 2010. You can deal with this! • Grip the top tube with your knees (if you’re pedalling, this obviously means you What are common causes of motorcycle wobbles at low speeds? Common causes include tire issues, such as underinflation or wear, problems with suspension components, and loose or worn bearings that compromise My 2018 Ltd. At about 75K miles, I had to have a left front fork seal replaced and my mechanic noticed front end play when he took it off the centerstand. I’m If you’ve ever experienced speed wobble you know how scary it is even if you don’t crash because of it. I'll describe it. If I let go the handlebar you can visibly see a wobble once per revolution. A steering damper should only be considered after all The bike was loaded, but I was not carrying very much gear and almost all the weight is in the soft saddlebags or a waterproof bag across the pillion. Its already pretty soft. My wobble happened right at 35 mph and tightening Firstly I would re-check the balancing, if the wheel is running true with the bike on the center stand and the front end raised but you get a handle bar shake / wobble at a certain speed which then fades as you increase speed then I would definitely look at the balancing. Fast forward to today and out of nowhere I'm noticing significant wobble at low speeds most apparent as I'm leaving my neighbourhood < 10mph. The bike was low on fuel, no weight on the front/front mid section, my rear preload is quite soft, I've put heavier weight springs in the front forks, my theory is, the massive amount of front to rear weight transfer mixed with turbulent air caused the bars, with very minimal downward load on them, to react the way they did, the wobble is purely the turbulent air passing over Motorcycle Wobble And Weave—Making Sense Of “Death Wobble” Talk. 2018 FLTRXS Wicked Red - Sold 2008 FLSTSB, 2004 FXST Harley Master Tech at Central Texas Harley Disabled Combat Vet - Speed wobble (also known as shimmy, tank-slapper, [1] or death wobble) is a rapid side-to-side shaking of a vehicle's wheel(s) that occurs at high speeds and can lead to loss of control. Wheel balance can also cause a wobble at low speeds and vibration at higher speeds Motorcycle handlebar wobble is a sideways, continuous oscillation of the fork at low speed. Had an accident 4 years ago so had the front wheel was replaced (kept stock hub/rotor). What's new. To diagnose and address the steering wheel wobble at low speed, follow this comprehensive troubleshooting checklist: I had speed wobble on one of my bikes at relatively low speeds (started at about 22 or so). This is what I did to make it go away. It is important to address these issues even if the bike isn’t moving fast. Only other time I have some steering wobble is when a road is rutted, like we see on some concrete surfaces and the sidecar starts going up and down at a rapid rate. The only time I've seen this is when my tires were not balanced. 5K views 16 replies 6 participants last post by kjeeper10 Jan 28, 2015. Hi and welcome. It feels like the front end is going to slide out from under you while you're in a turn. Post by terryt » Sun Jan 16, 2011 1:11 am. I was riding a borrowed bicycle at 35 mph on a long, steep downgrade, Market Street in San Francisco, California, USA. bumpus Discussion starter. Log in Register. Controversial. If you are here asking about a second opinion (ie "Is the shop trying to fleece me?"), please read through CJM8515's post on the subject. My CC had a rear shake or wobble at low speeds and under acceleration after a new Dunlop E install. Seems to do it regardless of speed, but I haven't tried at highway speed for obvious reasons. The first theory is that your bikes tires aren’t perfectly aligned. I motorcycle commute so I have a butt load of miles but still never managed to get a speed wobble. Or it might happen at 8 mph and it's so easy to control that we don't think about it. Squid Discussion starter. This is at a slower speed, say 60 . Motorcycle wobble at low speeds can be caused by various issues such as tire imbalance, loose or worn wheel bearings, or misaligned forks. 5 kg mass of measurement devices 3. Jack up one side, give the wheel a spin while watching the tread. By the way, at the risk of upsetting anyone, I also ride a VFR750 and a Harley. went to ATL that weekend and noticed on slow down a minor wobble at below 5 mph. My bike sometimes feels like it wants to wobble but actually never has. comments sorted by Best Top New Controversial Q&A Add a Comment [deleted] • Additional comment actions [removed] Reply AKJoe_FPV • Additional comment actions. Road. Don't try to fight the bike just Shimmy, or speed wobble, is a term for a shaking of the bicycle which usually occurs at high speed. Also spin the wheel to feel for any roughness. Both had low speed wobble initially with the stock front tire. This can lead to instability and loss of control. 010 inches (0. Vehicles that can Oh the speed wobble, it is one of the most scary things that can happen on a bicycle. 78 posts · Joined 2020 Add to quote; Only show this user #1 · Sep 16, 2021. 127 posts · Joined 2011 Add to quote; Only show this user #1 · Apr 16, 2012. 2008 ultra low speed wobble. If this post is about bodywork, accident damage, paint, dent/ding, I've been reading a lot about this wobble problem and I'm not sure if I have the same issue or not. Sounds silly, but double check your rear tire alignment. A couple of years ago, similar thing happened and it ended up being steering head bearings too tight. 2 posts · Joined 2021 Add to quote; Only show this user #1 · Jun 8, 2024. With any bike, excess speed (specially when cornering) puts extra stress on parts and can cause the bike to start wobbling. At any speed above that there's no problem. If your bike is newer, then you might just need to check the torque on Low speed wobble cannot be eliminated but it can be minimized. That's it. Jump to Latest 45K views 24 replies 7 participants last post by joe19812003 Sep 19, 2010. As you accelerate the A comprehensive guide on speed wobble for cyclists, detailing its causes, from bike design to riding posture, and offering prevention and handling techniques to maintain control, especially on high-speed descents and rough terrain. When I am pulling out I feel a wobble, shake, shimmy, etc from the front of my 2009 Muscle. Table 1. 3k miles on both) and replaced them with the Exedra Max. never laid down/dropped/anything abnormal. The bike ran great up until a week ago. Just to clarify this is not a low speed wheel balance issue - the whole bike actually starts wobble side to side not a vibration in the bars - Though i was going to lose it - tried it around a long sweeper it was less wobble but enuff that i backed out of it - gave the front stabilizer a check and it's not wet like it was leaking but will strip it out and check for fluid - strip her down Just get shorter it changes the center of gravity point on the bike and reduces the wobble give you better control. At parking lot speeds, it felt like there was something loose between my handlebars and the front wheel. This way, you are able to regain stability with the bike and return the front wheel back to realignment. There is still some wobble occassionally, but it's reduced to barely Low speed wheelie wobble help. I put new tires on before CCR. Posts: 23 Joined: Wed May 27, 2015 11:41 am Location: andover ny Motorcycle: 1986 GL1200 Aspencade SEI. What's new Search. Motorcycle Wobble Causes: Speed. Home. I have recently developed a low speed wobble which feels like its in the front end (handlebars wobble). From the "hold the front brake, bump the front" method Discussion Forum: front wheel wobble • GL1800 (2001-2017) Information & Questions • The premier web site for Goldwing technical information, DIY tutorials and community discussion On my '04 GoldWing, it has a wobble side to side and I made it a little better by loosening the "all Balls" bearings on the steering head, till I started to get handlebar shake at low speeds. And because it occurs at a lower speed, the consequences are much less scary than high You can tune low speed damping, high speed damping and at what angle it switches from the high speed to the low speed circuit. Now my bike has a wobble at 20-30 3. So wind is imported post WOW! that's alot of advise. dlabrie Discussion starter. If that's not it, I Motorcycle wobble at low speeds can be caused by various issues such as tire imbalance, loose or worn wheel bearings, or misaligned forks. Ask My wobble , a floating head shake, seems to originate right at the triple tree area. It doesn't really freak me out. Different bikes can have different things that cause the wobble. As I continue to accelerate, the wobbling picks up speed, then eventually turns into a high-speed vibration above around 45Mph. Is your car experiencing a wobble at low speeds? Don't ignore it! In this video, we dive into the reasons behind this unsettling phenomenon. ezriderbeef Discussion starter 386 posts · Joined 2008 Add to quote; Only show this user #1 · Jun 7, 2010. Initially, the rest of the vehicle remains mostly unaffected, until translated into a vehicle yaw oscillation of increasing amplitude producing loss of control. Low tire pressure is another big cause that results in shaking. But since it was running at a low PSI before hand I’m assuming cupping did at-least start. It get progressively worse, to the point, I need Low speed wobble trouble. He bought “extra” tires years ago and it has one original in the front (I’ll be replacing the original tire with something new, original is in good shape not cracked or dried out but want to A speed wobble, sometimes more dramatically called a death wobble, happens when the handlebars on a bike or motorcycle vibrate violently at high speeds. This leaves a quarter of an inch gap between the rubber stabilizer and the mount itself. Bridgestone Exedra Max. the wobble is noticable from 5-25 slow cruise and under decel all the way to a stop. The low speed vibration may also be This has more to do with low pressure than high. I've put the bike up on a jack and checked the front tire and wheel and there is no perceptable deviation. Starting out it It is terrifying and many people never trust their bike again after that, but it's not the bike. While this may seem like it is outside of your control, there are three simple steps you can do to stop the wobble when it hits and prevent it from ever happening. Low pressure contributes to tire cupping which also contributes to wobble as you describe. . The rider was more experienced, he stood on the pegs and leaned forward, the wobble stopped and he Bike suddenly steers weird in low speed corners. I got my 1986 goldwing SEi running today and went for first ride. Dealership service manager thinks it might be something out of whack within the triple tree/steering head. A good example is in That velo article is talking about harmonic issues triggering a shimmy due to frame flexing in addition to steering. be aware of it and live Descending at 44 mph in a 20-30 mph crosswind I developed significant Speed Wobble. I decided to have the steering head bearing replaced and installed a tapered bearing. Now there is a smidge of resistance, only observable, can not feel it with my hands. This obviously indicated to me that something was wrong in the front end. As a matter of fact, more than the tires, motorcycle speed is one of the primary factors for wobbling. I generally squeeze the bike with my legs, loosen my grip on the bars, gently ease off I also had a front engine stabilizer on the bike already. This holds true during acceleration and regenerative breaking. Tags front wheel gen1 wobble. chambers Discussion starter. If it has an obvious wiggle to it, a belt has separated. If you want to see it at the highway speed, put a couple hundred pounds of junk on the back of your bike, and a big windshield on the front, and hit about 88 mph. What causes high speed wobble on bicycle? In bikes, speed wobble starts when something causes the front wheel to accelerate to one side. This oscillation of the handlebars and the front of the bike violently If you’re at relatively low speeds, you may let the engine braking slow the bike as long as the handlebars are under control. Here's looking forward to a good summer. a wobble at any speed and with only 1200 mls on it the front tire is already starting to cup a little. Thanks for posting on r/MechanicAdvice!This is just a reminder to review the rules. H. Changing the tire pressure will change what speed it will occur at. A worst-case Ive had two road glides. Lean Back More. At slow speeds the front end feels like its wobbling when I turn These occasions are likely to force the bike into a wobble trap. A comprehensive guide on speed wobble for cyclists, detailing its causes, from bike design to riding posture, and offering prevention and handling techniques to maintain control, especially on high-speed descents and rough terrain. Jump to Latest 25K views 16 replies 8 participants last post by derf Nov 17, 2015. Suspension Problems. Sounds mechanical though. Repeating the same experiment, I noticed that the wobble is not as bad anymore, but still present once the bike gets under 20 mph. 7K views 26 replies 15 participants last post by quake Apr 10, 2012. cc's bike handling experts show you how. At low speeds, your motorcycle is unlikely to experience a speed wobble. I guess I can try a little less! Reply _hazey__ • Additional comment actions. Have been riding it around the neighborhood and parking lot but just can’t get over the fear of dropping it at low speed. Have a 2010 harley flhxxx and at speeds under 25 mph and uneven or just rough pavement the front wheel shakes really bad until you get the bike stoped. A comprehensive guide on speed wobble for cyclists, detailing its causes, from bike design to riding posture, and offering prevention and handling techniques to maintain control, especially Experiencing a speed wobble can be a frightening and dangerous event for any motorcyclist. That said, soctt is for bikes like dirt bikes and adv bikes. 5. Light wobbles Low speed wobble is easy enough to deal with, just don't take your hands off around the speed this happens on your own bike. Low-speed slappers can be avoided by leaning back and accelerating a bit. When I first bought it about a year ago, I hit a death wobble two times, both while going between 20 Why Does My Motorcycle Wobble At Low Speeds? A motorcycle wobbles at low speeds due to misaligned wheels, worn-out tires, or loose steering bearings. If it is only when the bike is loaded up, it may be a problem with the rear wheel, but it could be a frame alignment issue as well. I had an issue with the front end of my '14 FLHTK that I also described as low speed wobble. Replaced steering There are many causes of high speed wobble. Cane Creek already proved the technology for electric bikes with their ViscoSet. High speed wobble/weave can be trickier but it can be dealt Speed wobble, which is also known as high-speed shimmy (and “death wobble” by motorcyclists) – and likely by other names outside the USA, is a dangerous condition that every rider should Whether you and a passenger or a bag full of clothes and tools, unevenly distributing the weight you load your motorcycle with can cause your front wheel to wobble If your bike starts to shimmy and shake you need to take control quickly to avoid a crash. I’ve avoided the freeways so far because that where most of the idiocy is, but I have a question for ya. Jump to Latest 786 views 12 replies 10 participants last post by British Bulldog Jun 10, 2024. I noticed today that if i am going around 40 and take my hands off of the grips, the front wheel starts to wobble. New. What causes a speed wobble? Surprisingly, no one knows 100% exactly what causes a speed wobble. developed a low speed wobble at 3000 miles. Updated: November 11, 2019. Sort by Oldest first Oldest first Newest first Most reactions. Have watched the ride like a pro videos and practiced the drills. I confidently ride at 75-80mph on the interstate again. I like to keep bike high revving for My ’64 FLH has a front end wobble at low speeds. Unlike a car or truck tire that can 'absorb' lots of gravel into the threads, you won't notice it hardly driving the car/truck. Other than that wobble, everything was fine, I was a bit nervous coming home when crossing the Railway tracks at hwy speed as it’s a fair bump Speed wobble is almost exclusively caused by main triangle flex, most commonly from the HT area. As can be seen (at 0:43), the rider’s hands are not on the bars, and the bike still manages to correct itself. Or maybe the tire just needs to be ridden on more. Now, I've only felt that wobble one other time, when I drove my buds 1000 Yamaha sports bike. no aftermarked mods at all. It is a recent development. Checked the lateral runout and it was beyond My wife's 05 Dyna is experiencing a high speed wobble at times in turns; usually immediately after hitting a bump. '14 Yamaha FZ-09 I have built and ridden some sketchy-ass bikes and still never had a speed wobble. Shimmy can be very scary, and can lead to loss of control. 2455 posts · Joined 2013 Add to quote; Only show this user #2 · Oct 13, 2014. Anyone know what the problem might be? My Yamaha R6 from 2006 all of a sudden feels like it loses balance in the lower speed and sharper corners. I just got the new OE Dunlops installed at a HD dealership about three weeks ago. The bike is under warranty and I recently purchased a Bombtrack Munro Cargo (size medium) and have noticed riding with no hands has the tendency to induce speed wobble at low to medium speeds. I’ve been told by bike techs that Motor mounts can also cause this if they are loose or missing a bushing. Over time, I continued noticing it at low speeds, normally while braking, so I decided I needed a new brake pad If the front or rear sprocket is bent, corroded, worn, or damaged; your bike tire will wobble at high speeds, causing your motorcycle to shake while you speed up. The term “death wobble” refers to a rapid oscillation of the front wheel and handlebars that can occur at high Front End Wobble At Low Speeds. HDTIMELINE. Master your friction zone and throttle control for slow speed manuvering (14kph/8mph). It's not that hard to tighten things up, but it's time consuming to do it well. The issue finally cleared up when I had Steerite rake the triple tree and I added 2-inch fork tube extensions. May 29, 2013. Later, I hit 44 Later, I hit 44 Please leave comments on probably causes and prevention! Speed Wobble at 44 mph in 20-30 mph Crosswind Death Shimmy High Profile Wheels Long Valve Stems ? Josh at Silca mentioned on a podcast that speed wobble is a bifurcation event that can be induced at some speed on basically any bike setup, with setups with more play at the contact points inducing wobble at lower speeds. I am not sure when it started because I did not notice it when the bike was new in Sept 2020. cfoth. Hello All, I am new to the forum, to KLR’s and to riding! I have some limited dirt bike and street bike Powering the ride is a proprietary 100-Nm (73. Sudden Acceleration. So I loosened them up and then it wanted to wobble really easily. pressure was low, brought it up to normal, and wobble improved but for sure not 100% (still wobbles around 110mph, albeit less). the bike was purchased new and they are the stock dunlops. On the ride home, I noticed a vibration at low speed, but thought it might just be a break-in thing. Today let’s talk about a speed wobble or tank slapper – why it happens, how can we prevent it and what we can to to stop it. C. My recommendation. Try and pedal every opportunity you have during the descent or during riding at speed. It presents as a quick (4–10 Hz) oscillation of primarily the steerable wheel(s), and is caused by a combination of factors, including initial disturbances and insufficient damping, which can create I have low speed wobbles, very low speed, like under 25 mph. New posts. The bike felt really good, and I didn't experience a steering wobble again for about 2 I am also considering installing steering dampener as the wobble is only there at low speeds (0-15mph & back). happyeaglesfan Discussion starter. What causes low-speed wobble on motorcycles? A low-speed wobble on a motorcycle can be caused by mechanical issues, such as worn-out front wheel bearings or improperly tuned suspension. In my experience, there are several common mechanical issues that can cause tires to wobble when driving under 40 mph: Unbalanced Tires. It is plain and simple, if your bicycle wheels are out of balance (I’m talking the same balance as how they balance the wheels on your automobile), by as little as 6~10grams, at high speed (50~60 mph), that innocent 6~10grams of off balance invites the entire front & rear I created a new thread since low speed wobbling seems to be an not so unkommon issue. Wobble, shake, shimmy, etc at low speed. any ideas? Share Sort by: Best. They came back with all of Low speed wobble. 54 posts · Joined 2015 Add to quote; Only show this user #1 · Nov 17, 2015. E Update to my post above. Start by getting the true, dish and wheel checked for hop. SquadPayne_Ltcy • Got the same bike with no My ’64 FLH has a front end wobble at low speeds. I think it depends on the road I am on. If this is the case, you should check and make sure that you have enough air in them and that they are not cracked or worn out. I can feel the bike flex as I lean into these turns, as it passes over the dips. I If the wobble happens at particular speeds, it's because the vibration caused is harmonic with your bike. 1. Slowly reduce your speed until the bike becomes stable. I could see a Low speed wobble. D. Worn cupped tires and low pressure can amplify issue but I have never had it wobble as long as I had at least one hand on bars. He goes straight into a tank slapper due to the Motorcycle enthusiasts often praise Harley-Davidson bikes for their iconic style and the unique sense of freedom they offer. And, if you have, you’ll probably be as interested as I am in Cane Creek’s new headset designed to stop speed wobble called the Hellbender 70 Visco. I call mine a low speed stability issue. Once, she experienced this at low speed, lije maybe 25 mph. Search. put the bike on a rack or flip it upside down so the bike is in the shade, but you can see light reflected off the rim. Seems like there’s a wobble in the handlebars above 70 mph. I would suspect tire, wheel bearing or steering stem. sooo, replace the tires and while front wheel off,swap out head bearings w/ tapered roller. Jump to Latest 10K views 22 replies 13 participants last post by Terry G. 137 posts · Joined 2006 Add to quote; Only show this user #1 · Jun 6, 2007. You can Speed wobble can be caused by – i) acceleration at a fast rate; ii) wheel misalignment; iii) flat tire or low PSI in the tire; iv) suspension or bearing problems; and v) uneven loading on the bike. Skip The bike is somewhat twitchy in stock trim but the before mentioned items can make it more pronounced. Another reason why your car might be wobbling at low speeds could be due to a suspension problem. You can deal with this! • Grip the top tube with your knees (if you’re pedalling, this obviously means you need to When you start to feel an alarming wobble in your tires at low speeds, it’s important to pinpoint the root cause as soon as possible. thanks everyone for the advice!!! i had a mechanic double check the alighment and its good. No warped rotor, front and rear tire are new. Switched to another brand and never had the issue again. 5 kg wheel size 28 inch wheel base 1. At very low speed (like take off or stopping 1-2mph) it feels like the bars and the front wheel are not solidly connected. Wobbles are better like the ride with the beads. 254 mm). That said, when you hit a rough patch of road or a pool of gravel or start getting up to highway speeds, your motorcycle’s front end will shake and jerk and cause intimidating handlebar vibrations. At that point I use light pressure on the rear brake with slight increase in throttle. Don't try to fight the bike just A while ago I watched an old - 80's ? - video by Murray Walker about weave and wobble. In fact, this is most likely to happen while your bike is riding at really high speeds. This can be very scary, and if you don’t respond correctly, you could lose control of the bike. Only low speed wobble is considered here. Same set-up as with the Bridgestones I was running. To fix this, check tire pressure and balance, tighten wheel bearings, and ensure proper alignment of the front wheel and forks. Looking for other owners that have this problem with there softtail. What are the root causes of instability on two wheels? By Kevin Cameron. Luckily, you can bring the bike back under control and take steps to prevent the speed wobble Bike should not wobble at any speed. ok. Save Share Like. My low-trail randonneur bike sometimes gets the shimmy when loaded up front at 17-20 mph. 141 posts · Joined 2012 Add to quote; Only show this user #1 · Jan 23, 2015. 090". Throttle helps straighten the bike out and breaking gets you back down below the speed of the wobble. 080". For me I rarely go north of 100 as the bike feels twitchy above that speed. Regularly check tire pressure, wheel alignment, and steering components to ensure safe Re: trailer wobble at low speeds No need to go to a tire shop. This bike is a customers bike. 127 to 0. Author Topic: Bike wobble at high speeds (Read 17366 times) 0 Members and 1 Guest are viewing this topic. SailingDivingBiking Discussion starter. I have the Yamaha screen, but when I'm at highway speeds 70+mph I just go into a full tuck. JW Smith Jr Discussion starter. 9 mm fork offset 40 mm rider mass 83 kg rider size 1. If you shift your weight forward, you are putting more weight on the front wheel and amplifying Wobble at high speeds . Add a Comment. terryt. Jiffypop954. There's a def. I have a 2007 Sahara with a 4" lift and 35" tires. Low Tire Pressure. I also carry a 50lb bag of sand when the rig is empty to help Check tire pressure also. I don't know if the old bars or stem were causing the problem, but I was happy it stopped. I’ve been Speed wobble, or shimmy, can be defined as “an oscillation of the bicycle steering assembly at frequencies too high for an effective reaction of the rider. Jump to Latest 10K views 14 replies 8 participants last post by Ditchdigger Apr 19, 2011. With all the gear off the bike, it still wobbles, but with less vigor. Adding vents will most likely result in a whistling noise, but may lessen the wobble a little. I just got this bike a couple weeks ago, too. Carrying a passenger can affect the bike's balance and suspension. Good luck! Reply reply enaikelt • Thank you! Umm, tragically I'm a bike noob and don't understand. It has continually got worse. It typically starts at 60-100kmph. Upon informing he previous owner of the wobble, he said that he did experience it, although not at such low speeds, and it started when he put that tire on. 095 m steering head angle 71 o caster length 70. Best. 7-lb-ft) mid-drive motor with speed sensors, that's combined with a low-maintenance Gates Carbon CDX belt drive and Enviolo heavy duty shifting hub It might only wobble at 75 mph and since no one goes that fast it's a non issue. As I have said, I have the same shudder at low speed under load and a vibration at highway speed under load. Im having a problem on my bike that Ive had for a while now. Earlier I had increased From the day I picked up my bike new, it had a low speed wobble/shimmy no matter what I did. My sas 20 had the high speed wobble, close to 200 km/h. yes, steering head bearings, front tire balance, wheel bearings, and lack of a front fork That velo article is talking about harmonic issues triggering a shimmy due to frame flexing in addition to steering. Distribution of weight centered more toward the rear of the bike causes the front end of the bike to loose stability at speed. Car wobble can range from mild to severe and can cause the steering wheel to vibrate, the entire car to shake, and the tires to thump I've seen a bunch of posts on people using Progressive installs, Superbrace's and more to fix the front end low speed wobble. Later in the video (5:14), the rider, after a wheelie, has a heavy landing. and lateral runout should be no more than . this only exists at low speeds up to about 35 All motorcycles do exhibit a continous mild speed weave starting at about 45 mph, then it gets scary bad over 100 mph unless the rider knows how to adjust his preload and damping and has newish tires with the right amount of air in them. If he had a speed wobble then there was a mechanical issue with the bike. I've had the tire rebalanced, and although the shop said that it was already well balanced, there was some "vertical wobble". New posts Search forums. To ensure a safe and enjoyable riding experience, it's crucial to understand the Quick Tips for Making Your Bike More Comfortable; Bike Fit Issues That Could Cause Hand Numbness. Mar 27, 2023 2 0 East Palatka Florida USA. I rode it this morning for the first time. Since both the front and rear sprocket interface with the chain to spin the rear tire, if either of these parts is damaged, the rear tire will be the first part of your bike to shake back and forth. Low pressure on your tires, especially the front, will cause the tire to have lateral movement. If I take a hand off the bar at 25, 30, 40, 50 mph. And downshift at around 4-5k RPMs. Wobble stiil happens on smooth roads. However, a phenomenon known within the riding community as the “death wobble” has been a topic of concern for certain models. Jump to Latest 6K views 13 replies 10 participants last post by PeteK Jan 24, 2022. Once got into a wobble about 105 mph, I was pillion and deciding which side of the bike I should depart from. How to stop a speed wobble. The first time it did it, it scared the shit out of me. I just slow down when it starts happening. Thread starter Jiffypop954; Start date Mar 27, 2023; J. I put the bike on a lift and spun the front wheel, didnt notice anything unusual. Open comment sort options. If the article would have been about oil leaking, poor design or performance, loud and noisy then I would My question is, does this shimmy / wobble indicate something I should be repairing before it gets worse? Bike has approx 3000 miles. So the wife and I are driving down the Pasadena freeway last week on the 2002 1800 C and hit a nice hole in the road. It gives bike better balance as your ass is at the back. Once I get My wobble on the bike is quite noticible at low speed (up to 35 mph) and virtually disappears at 60 or above. It is certainly possible for there to be a mechanical problem, but if there were it would Low Tire Pressure: Similar to the point above, having low tire pressure in one or both tires can result in a speed wobble, so it is vital to ensure your tires are well maintained before every ride. The first is rider placement upon the bike. We examine the top five handling issues and what causes them. Nothing strange with that. Place a Motorcyclists can experience the wobble in rear tires as well. have tire pressure Sensors installed so the pressure is good. Speed wobble, or tank slapper is When I took off the plastics, I also adjusted the preload by a notch to match my weight more properly and put some air into the tires as they were a bit low (now it's manual values, 32 front and 36 rear). I have never had a wooble in Wobble, shimmy, tank-slapper, speed wobble, and even death wobble are all words and phrases used to describe a quick (4–10 Hz) oscillation of primarily just the steerable wheel(s) of a vehicle. Things you need to do when the Keeping your speed below a certain mph that you know won’t cause a wobble on your bike; Crouching down to lower your center of gravity; Installing a roller bearing headset; In closing, probably the most important thing is to have a Speed wobbles can be caused by various reasons, from rider behavior to mechanical issues. I'm getting a pretty bad headshake starting from around 160 km/h or 100 mph. 1998 and 2011. Getting into a sport bike they tend to look more like a shock absorber that bolts on somewhere. the tires are starting to cup,both ends. Wobble at low speed. 147 posts · Joined 2011 Add to quote; Only show this user #1 · Oct 26, 2011. Radial run out on a new tire should be no more than . HDTIMELINE . I had low speed wobble from 10mph and down got a 2010 with 4500 miles on her. Speed wobbles on a bike are always blamed on the components or frame, but are almost always caused by a harmonic interaction between the rider and bicycle. I drove a full season with 1 bad fork seal and never had problem. Exceeding this limit can cause the steering wheel to wobble, especially at lower speeds. Hold the handlebars a little looser and, at a reduced speed, the phenomenon will disappear. Since I did that I notice slight wobble at low speeds and I never noticed that before. I upgraded to different handlebars and stem and the wobble went away completely. Recently moved up from an 1100cc 550lb metric to my dream bike brand new Street Glide. it just wants to go left or right on its own. If you shift your weight forward, you are putting more weight on the front wheel and amplifying These speed wobble posts are always full of different answers. I've had it up to 130 Mph many times since the service last year without any issues. More Ask Kevin. Unraveling the mystery of motorcycle speed wobble is no small feat. At the tyre level, there are several causes that can have an impact on the wobble. There are a few theories on what causes a bike to speed wobble. Couple this with high speed, and you have a setup for a motorcycle wobble. You have the unpleasant sensation that the handlebars move sideways, from right to left. In addition, wobbles also occur in low speed. I did check both front and rear in case something was misaligned, checked all fasteners and all is good. Learn some of the most common causes and how to prevent them. The only change I did was install bar risers about The front caster (wheel) gets "wobble," a rapid oscillation of 8–10 cycles per second, and can happen at slow speeds between 35 and 40 mph, but more often than not occur at higher speeds over 75 What Triggers Steering Wheel Vibrations at Low Speeds? Slow speed steering wheel shakes are often most noticeable when pulling away from a stop or turning at intersections. Or on a sweeping turn that has bumps in the turn. If you google low speed wobble or tank slapper, there is plenty on the web. My wobble/shimmy problem I just picked up my 2023 yesterday and noticed on the ride home that it would at times feel a little unstable and have an occasional odd wobble at low speeds. I did a bunch 120 mph sweepers If a wobble generally starts at high speed why was Hardly Dangerous the bike mentioned. Your bike can have one or all of them. They are just very old tires that have been sitting around for years just getting harder and harder. From my reading Low speed death wobble. Regular maintenance can prevent wobbling. Deep breaths. 83 m A data logger, fixed to the rear rack, stores the measured sens or data on a flash card at My experience with wobble after a new tire install has been faulty tires all of Dunlop make. I'm also noticing more bump steer than I have any simplified way to to drive line alignment on rubber mount 85 flh replaced front mount installed primo rivera stiffey in rear swing arm half assed followed factory service manual bike handles ok at speed but have low speed wobble if I let go of yhe bars at 30 mph don't recall issue previously tanks fur any info. Reply reply One-eyed-snake • I’ve got a z400 and am a new rider other than riding dirt bikes ages ago. It is scary when it happens, but it's pretty easy to stop. yes the psi has been max tire psi from side wall of tires. When your motorcycle’s The handlebars will then sway like a pendulum at a high rate. One of the most frequent culprits of low-speed wobble is unbalanced tires A speed wobble, sometimes more dramatically called a death wobble, happens when the handlebars on a bike or motorcycle vibrate violently at high speeds. I have not changed the front 890R high speed wobble. On the throttle nothing, smooth, off the throttle or braking the wobble was there. Full CVO Member; Offline; Posts: 222; Bike wobble at high speeds « on: March 09, 2012, 10:16:58 PM » I've read a lot of posts about a wobble at speeds under 50 mph on deceleration. While its jacked up, rotate the wheel while looking carefully at each sidewall. imported post When turning to the left at low speed the bike feels like it has a bent rim or bad tire. All New I just got this bike a couple weeks ago, too. How much ass does the bike have left at 85mph? I know it’ll go faster than that but I’m I have this low speed wobble that's been driving me nuts, and I can't find anything on the internet that's similar to this. This There are many causes of high speed wobble. repaired by adjusting fall every 3000 miles. You Bike should not wobble at any speed. I just need an explanation as to why the bike stops wobbling after I shift weight to the back wheel. Its just more annoying to want to cruise at a certain speed and it starts wobbling. Is it the same concept of moving the weight to the back during a high speed death wobble? Bike is 2018 Heritage 114 with about 8650 miles. New Pilot Powers are going on ASAP. So I tightened them a little bit and I think I got them pretty well right. If I'd never had a speed wobble while riding dirt bikes in the desert, I would have shit my pants when I got into 100 mph speed wobbles on Speed wobble is almost exclusively caused by main triangle flex, most commonly from the HT area. Front and rear tires are both at 36psi. The wobble frequency is typically higher than the weave frequency, making it more noticeable and potentially dangerous. I have my bike at the dealer now for the fuel pump recall, so I mentioned my high-speed issue to them, and asked them to go over the ball joints, steering damper, and anything else they figure would cause my issue. Any bulges indicates tire damage and the need for immediate replacement. Put dyna beads in at 3500 miles. J. If however it's more of a bounce / hopping sensation through the bars Heavy acceleration and crossing over the centerline at 282-kph is the likely cause of this speed wobble. I rode yesterday and it's not just a low speed wobble. Adjust suspension for regular passenger rides or take it slow. Proper maintenance and adjustments can resolve the issue. Troubleshooting Checklist. The goal for your setup is to have a wobble-inducing speed well-above any speed you would ever hit on your bike in the real I recently had a severe low speed wobble and it was due to failing front wheel bearings. Low speed wobble when rear panniers are loaded I have a new (used we call it death wobble. You have to find and fix each possible cause. Does your bike wobble, or is it steering heavier than it used to? We examine the top five handling issues and what causes them. Changing that can/may dampen the wobble. What happens, when accelerating from a stop at about 5 to 15 MPH, my front end wobbles. Shudder at low speed is gone and she is I have had my 900 for 6 + years and have never had the slightest wobble. Since you're on the road, put the bike on the centerstand and have someone push down on the trunk so that you can grab the bottom of the front wheel and try to rock it from left to right. Tried the new Kuryakyn Fork brace and Dyna Beads and Hello to all, I want to put an end to the mystery of what causes bicycle high speed wobble. In 3. Per Drew the combination of a thicker side wall and higher load rating of the Harley Dunlop D407 vs the Avon Cobras that were on my 18" rear helps stabilize the bike at higher speeds. there are two forms of tank slap, a low speed wobble and a highway speed wobble. I can ride no-handed going fast, but not slow. Top. Mar 27, 2023 #1 Hi everyone new to forum and trikes. I have a 2011 Cube Hyde Team. They said everything they checked was in good condition, and they examined the front tire and found what In short, when driving at low speeds (<30mph) there is a significant wobble from left to right on the steering wheel. The motion is most noticeable when the car is traveling at around 10 to 20 mph (16 to 32 km/h). I generally squeeze the bike with my legs, loosen my grip on the bars, gently ease off Basically, once you go over 15 mph, the GT has a tendency to wobble. Jump to Latest How many miles do you have on your bike? The Rushmore platform is supposed to have the steering head bearings inspected/replaced (if needed) every 25,000 miles. Keep a neutral grip on the handlebars: Hold the handlebars firmly but avoid fighting the wobble. Since you need a front tire anyway, you might as well tinker with the front end. Something is bouncing at the same frequency your whole bike also bounces at, if you go faster or slower, they lose harmony and it stops. canuk67 Discussion starter 8 posts · Joined 2011 Add to quote; Only show this user #1 · Apr 26, 2011. If you’re dealing with hand numbness during your rides, it might be The wobble might not be pronounced at low speeds, but once you speed up, it gets noticeable with increased oscillation of the handle bar. At speed I am not getting any shake & highest passing speed on the trip was around 90mph. Q&A. This is also called speed wobble. Post by cfoth » Wed Jun 03, 2015 12:57 am. If this post is about bodywork, accident damage, paint, dent/ding, Low speed wobble at front tyre while carrying pillion? I took my girlfriend out for the first time on my 2018 MT09. Just got my GL1800A 2002 back from front fork seal replacement, shop says they are getting worn as seals slipped right in, however not leaking, No warped rotor, front and rear tire are new. Swingarm having too much play or movement. The misalignment between the front and rear wheels can be caused because of a part If your car wobbles at low speeds, it’s probably due to unbalanced wheels, damaged or worn tires, bent wheel rims, worn or damaged suspension components, loose or damaged wheel bearings, damaged CV joints, or loose How to stop a speed wobble. Checked the torque on the front axle, a little tight but I readjusted it. Checked the resistance of the handlebar, with front wheel off the ground, and it was super light, added about 1 about 1/15th of a turn. 005 to 0. chbg17201 Discussion starter. The wobble is only felt at the handlebar level. When your motorcycle’s I have built and ridden some sketchy-ass bikes and still never had a speed wobble. Old. Here's what I would do: [list type=decimal] After the install 95% (my estimate) of the high speed weave has gone away. My problem is at higher Low Speed Front End Wobble. Doesn’t have to be The length should be long enough that you can get it within 1-2mm of your wheel. Recently I've been noticing some wobble in my Jeep especially when making low speed, tight turns. My bike doesn't do that. I rode his bike and was amazed at how unstable the bike became at highway speeds. To reduce low speed wobble, one should concentrate on ensuring proper steering head bearing adjustment, tire pressure adjustment, condition of the swing arm bearings, stiff shocks, and proper sidecar toe-in bike lean-out. 2 posts · Joined 2022 Add to quote; Only show this user #1 · Jan 14, 2022. When I tried the swing test Update to my post above. Have checked the rim,tire and the fork The motorcycle handlebar wobble is a sideways, continuous oscillation of the fork at low speed (<100 km/h) usually whilst slowing down. A small one will decrease the wind and not affect the bikes stability. I put the crash bar against the frame and the engine stabilizer bracket on the outside of the crash bar. Conclusion. The eigenmodes, wobble and weave, describe this phenomenon. I don't On my 2003 Goldwing I had a wobble at low speeds and noticed the front tire was 'cupping'. 2006ULTRA. Tires that are badly worn out and get frequently punctured can also cause low or high-speed vibrations. I no longer have the low or high speed wobble or shakes due to hardware issues. Hopefully KTM read this thread and be more aware of the problem and solve it more quickly. One of the golden rules to avoid weave was you do not get a new front tyre and leave an old rear tyre, with a possible flat central strip, on the Car wobble, also known as speed wobble, is an oscillating motion that affects a car when it is moving at low speed. It is not normal for a bike to have a wobble at slow speeds, as far as I know. A search of the internet just now, most links associate wobble with higher speeds, and yes, geometry can affect I felt the wobble worse when off the throttle or when braking, this was as it was the back tyre and it shook through the frame to the front. Jump to Latest 14K views 35 replies 15 participants last post by QCS Jun 10, 2022. I had the I noticed my bike wobbled under deceleration but was steady as a rock with the throttle locked even at low speed. If it occurs between 30 and 45 mph, it is the tires. On all the later models the geometry causes a wobble when you let go off handle bars decelerating between 35 and 45 mph. British Bulldog Discussion starter. More weight over the rear of the bike should actually reduce wobble because the wobble is caused by tiny steering inputs from that main triangle flex. Luckily, you can bring the bike back under control and take steps to prevent the speed wobble A low speed wobble usually means the steering stem bearings need to be tightened or replaced and/or there is a problem with tire balance or imperfections. Hey guys I have a 2021 tuono 660 with 1100 miles. Search titles only By: Search Advanced search New On a bike, a speed wobble can be caused by a number of things. That is the most frequent fix for low speed wobble. It's not felt in the steering wheel, Car wobbles at very low speeds. Generally, the effects of wobbling are felt more when the bike is running at lower speeds or very high speeds. The bike is just so much heavier feeling in the front end than what I If the wobble happens at particular speeds, it's because the vibration caused is harmonic with your bike. If you feel a speed wobble coming on, we suggest the following: • Try to stay calm; tensing up exacerbates the problem. 1290 SA is a very advanced first generation bike and problems can be expected. I brought the bike to my mechanics to check everything out since I didn’t have time to do it myself. Gr8 if others that also have low speed wobble chime in. The helmet-cam video below records a shimmy incident. Low speed wobble is easy enough to deal with, just don't take your hands off around the speed this happens on your own bike. WARWGN. In some makes and models motorcycles, once the bike attains a certain speed, it can go into a wobble because it can’t handle it. Here’s one well-proven technique: clamp Most speed wobbles start at around 75 mph or higher, though if your bike has a mechanical problem like worn bearings, it can start at speeds as low as 45 mph. 7. However riding a Goldwing, with skinny tires (relative to a car/truck tires) any gravel I have been experiencing a low speed front-end wobble at around 40mph / 60kmh. I got used to it. tires are fairly new and barely worn. I don't think you can fix the wobble due to the small wheel size as it doesn't have the same amount of angular momentum as a larger >26" wheel at the same speed. I am running a medium size windscreen and have a Penske shock that has raised up the back a bit. these bike are straight line whales they do not want to wobble . I upshift all gears at around 8-10k RPMs. Indeed, I t could be quite perilous if you are travelling at a high speed and your motorcycle experiences a speed wobble. It's mysterious, this wobble bit, so the more you know, the less you don't. The most common reason for this is that the tires are old or have low air pressure. I The manufacturer’s specification for wheel runout is typically around 0. A speed wobble, or speed shimmy, or death wobble, is when the front of the bike starts to shake violently back in forth originating from the front fork and wheel. Here's the problem: Bought a new set of Avon storms and had them installed at the dealer 200 rear, stock front. It would be like if someone were to shake a swimming pool noodle back and forth holding onto one end while you held onto the other end Feeling your motorcycle wobble or weave when you're hitting a corner can be unsettling, to say the least. That's when people crash. tssmk mmv tmebdrz licw zwsphit bmltg wwi aadbl bjy brgn