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Old 05-28-2006, 02:52 PM   #11
rapier
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Default Re: Front End Wobble While Riding No-Handed.

Oh, dont take your hands off the bars unless your 1000% confident it's as stable as train. You shouldn't anyway of course.



This problem is almost always at it worst on decel from engine braking, which is of course what you do when you take your hands off the bars.
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Old 05-28-2006, 03:48 PM   #12
SquareTire
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Default Re: Front End Wobble While Riding No-Handed.

Thanks, for the advice- I assure you, my hands are very very close to the bars when I do this. I have wondered about the effect of deceleration due to engine braking.

Thanks again,

Matt
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Old 05-28-2006, 06:30 PM   #13
Brent_Meeker
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Default Re: Front End Wobble While Riding No-Handed.

My '86 and '87 GSXR750s did this. It has nothing to do with a bent frame - it's just inherent in the design/tire. You should probably check the head bearings - but usually they just make the bike feel sluggish at parking lot speed. If you're worried about frame alignment, just have somebody follow you and see if your wheels are running in the same track. If he can't see a difference, it's not enough to create a problem. If you don't believe me, just deliberately misalign your rear wheel via the chain adjusters and try it. You'll find it doesn't affect wobble. So I'd just not worry about it. What I do is not take my hands off the bars.
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Old 05-28-2006, 07:03 PM   #14
umarth
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Default Re: Front End Wobble While Riding No-Handed.

Try using your hands.
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Old 05-29-2006, 01:56 AM   #15
yoavy11
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Default Re: Front End Wobble While Riding No-Handed.

The only time my 87' GSXR750 had a "front end wobble" was after I replaced the rear tire with a wider one. Once back to the 140/70 original tire size there was no problem, so IÂ’m not so sure about the "inherent design" thing.
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Old 05-29-2006, 03:28 PM   #16
pplassm
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Default Re: Front End Wobble While Riding No-Handed.

Really. IIRC, this is common on older design bikes, like your GPZ250. Newer bikes with modern tires don't seem to exibit this same behavior.
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Old 05-30-2006, 09:21 AM   #17
SRMark
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Default Re: Front End Wobble While Riding No-Handed.

This has almost always been the trouble when my bikes started to wobble. And once cupped, they only get worse, even with proper inflation.
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Old 05-30-2006, 01:38 PM   #18
jasonlion54
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Default Re: Front End Wobble While Riding No-Handed.

Like I said, I ride a 1982 Yamaha, and had the EXACT same problem. I looked at the wheel, and there was a clean spot where a tire weight had been. Replaced it, and now I can ride for miles with no hands. Not that I've tried, but I'm sure I could.
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