Front end Wobble - Kawasaki Versys Forum
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post #1 of 42 (permalink) Old 07-15-2011, 10:09 PM Thread Starter
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Front end Wobble

I have a 2011 V with about 2500 miles on her and I am getting a front end wobble at 40 m/hr. I have the stock tires on with no cupping on the tire, 32psi tire pressure. At lower speed it is fine and at higher speed it is fine. I am thinking the tire might be out of balance but wondering if anyone else has had this problem. All bolts are tight and front end all feels tight.

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post #2 of 42 (permalink) Old 07-15-2011, 10:17 PM
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Sounds like a not-so-severe-balance problem to be if it only vibrates more on a particular speed (resonance).

I had a huge balance problem on my car wheels where anything above 80kph would vibrate the car like a massager chair. I had it after changing new tires which they did the balancing. Went back to them about it and they double check and says it was ok. Still unsatisfied, went for a 2nd opinion with another shop and they found it to be out of balance and balanced them for me which worked. I wasn't satisfied to have to be made to run around solving the issued made by the 1st shop, so I took the receipt from the 2nd shop and made them gave me a discount (valued at the cost of the balancing) on my next oil service, which they reluctantly complied.

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post #3 of 42 (permalink) Old 07-15-2011, 10:33 PM
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is the front tyre fitted the right way around, there should be a directional arrow
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post #4 of 42 (permalink) Old 07-15-2011, 11:21 PM
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Is the wobble there with hands off the bars? Or all the time?
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post #5 of 42 (permalink) Old 07-15-2011, 11:37 PM
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Suggest you check your steering stem in case it's loose. Had that as an issue on my Bandit AND my KLR!

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post #6 of 42 (permalink) Old 07-16-2011, 02:11 AM
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Front tire may be slightlly deformed... Was the front tire and wheel assembly installed in proper direction?
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post #7 of 42 (permalink) Old 07-16-2011, 10:46 AM Thread Starter
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Well I checked the steering stem and that was tight. The tire is on the right direction. It looks like the tire is wearing correctly with no cupping. Still have the wobble when I take my hands off the bars at 40mph, the bike wants to go into a tank slapper. Now thinking, I need to check the back tire. Maybe it is not set straight and cozing the bike to want to wobble. If it is not that then it has to be a bad tire up front.

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post #8 of 42 (permalink) Old 07-16-2011, 11:33 AM
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Well I checked the steering stem and that was tight. The tire is on the right direction. It looks like the tire is wearing correctly with no cupping. Still have the wobble when I take my hands off the bars at 40mph, the bike wants to go into a tank slapper. Now thinking, I need to check the back tire. Maybe it is not set straight and cozing the bike to want to wobble. If it is not that then it has to be a bad tire up front.
Check the wheel as well for direction... older model had an arrow on the hub, bottom of a spoke if I remember correctly- although I had it reversed for a short while and didn't feel anything... But I don't think it's that, it's most likely the tire given that the suspension is new, steering stem is ok, don't know what else could be...
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post #9 of 42 (permalink) Old 07-16-2011, 11:44 AM
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My Versys did this on the way home from the dealership when I bought it... both of my zrxs did this, my dr650 did it and my honda pc800 also did it... this is very common in motorcycles and nothing to worry about... seriously... if its doing it with your hands ON the bars then you have something to worry about... but hands off the bars, don't fret, its common...

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post #10 of 42 (permalink) Old 07-16-2011, 12:11 PM
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Try checking:
1. If the bike handlebar bolts are tight.
2. Lift up the front and free spin. See any runout or worn bearings/funny sounds
3. As 2, excessive brake pad touching
4. Check if your front suspension is too hard, sag
5. Rear wheel alignment ok
6. Check if you engine mounting bolts are tight


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post #11 of 42 (permalink) Old 07-17-2011, 12:43 AM
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this one is easy. i had it on a bike of mine. your front wheel is out of balance...
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post #12 of 42 (permalink) Old 07-17-2011, 07:46 PM Thread Starter
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Thanks eveyone for your input. I guess I will just live with it till I get my new tires. I just have to go 45+ and not worry about it.

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post #13 of 42 (permalink) Old 07-17-2011, 11:02 PM
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Thanks eveyone for your input. I guess I will just live with it till I get my new tires. I just have to go 45+ and not worry about it.
why just go balance the damb thing
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post #14 of 42 (permalink) Old 07-18-2011, 03:06 AM
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If out of balance, it would vibrate progressively more at higher speeds. The 40 mph wobble is likely caused by a slightly deformed tire. (2500 miles on original balanced tires)
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post #15 of 42 (permalink) Old 07-18-2011, 03:19 AM
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Quote:
Originally Posted by invader View Post
If out of balance, it would vibrate progressively more at higher speeds. The 40 mph wobble is likely caused by a slightly deformed tire. (2500 miles on original balanced tires)
Totally agree with Invader also I would myself put a extra 2 psi into front tyre.

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post #16 of 42 (permalink) Old 07-18-2011, 08:51 AM
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balance issue usually come and go at different speed from what i have noticed on my cars and bikes. it all depends on how much and where the weight difference is. just take ten mins and try it. if i am wrong fine but dont let someone tell you its impossible. my wifes 250r was doing it at 40 mph so i balanced it. poof fixed
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post #17 of 42 (permalink) Old 07-18-2011, 09:03 AM
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if tire is off only a little , it will only shake at resonance frequency.
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post #18 of 42 (permalink) Old 07-18-2011, 08:13 PM
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ditto what Skizzo says. A little off the balance, you get the resonant vibes at a particular speed. If the whole thing is really out of balance, then the faster you go, the greater the vibes. Experienced it with my car and a bad balancing machine.

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post #19 of 42 (permalink) Old 07-18-2011, 08:29 PM Thread Starter
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I think the tire has a little deformity to it. When I make a right hand turn around 10 mph and lean the bike over I can feel the tire. But when you look at it straight on and spin it you can't see it or feel it. Maybe bump the psi up a pound or two and see what happens. Stock tires always suck. Next ones will be pilot3

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post #20 of 42 (permalink) Old 07-25-2011, 02:00 PM
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PSI is to low, and stop taking your hands off the bars. Honestly all bike will do this at times if you take your hands off the bars.

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