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Buell Forum » Knowledge Vault (tech, parts, apparel, & accessories topics) » Chassis » Suspension - Forks, Isolators, Shocks, and Swingarm » Archive through December 11, 2006 » Belt Tracking Problem, Please Help « Previous Next »

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Suaverider
Posted on Wednesday, March 22, 2006 - 10:49 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Hello,
Does anyone know what causes the belt to want to move toward the tranny? No matter how I adjust the rear wheel (centered or not) or the belt (loose vs very tight), the belt just wants to walk to the left off the transmission pulley.

If it could be the swingarm, what should I look for?

Thanks
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Blake
Posted on Wednesday, March 22, 2006 - 01:58 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Might be an old/damaged/defective belt. Inspect it carefully and take note of any telltales signs of excessive wear, uneven wear or damage.

Also inspect the sprockets for same. Please note that a slight intermittent pitting of rear sprocket finish is not problematic.
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Buellistic
Posted on Wednesday, March 22, 2006 - 02:42 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Remove the BELT and let run in the opposite direction to see what it does ...

PLUS you get to CHECK it BETTER like Blake
indicates !!!
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Suaverider
Posted on Wednesday, March 22, 2006 - 03:47 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Thanks,
Spinning the wheel in revers tracks the belt back on the transmission pulley. The belt is brand new. Transmission pulley doesn't look badly worn. The wheel pulley has some chrome blistering between the teeth.
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Bomber
Posted on Wednesday, March 22, 2006 - 03:56 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Suave

how far from center does it track? if it's rubbing against the tranny case, you got a problem -- if it's 1/64 in inboard from the outer puller flange, ya don't --

likely yours in inbetween somewheres, yes?
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Suaverider
Posted on Wednesday, March 22, 2006 - 04:32 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Bomber,
1/64, I'd be happy with 1/8. This thing wants to walk right off the pulley. Also before messing with the rear wheel, I think there was already a bit of what might be rubber dust on the case. Is this normal or there shouldn't be any form of black rubber dust near the sprocket area?

Thanks
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Blake
Posted on Wednesday, March 22, 2006 - 05:29 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

If the belt is new then I suggest taking a good long ride around home territory and exercising it well (full power acceleration, deceleration, rear brake application) while at the same time stopping periodically to confirm its integrity. New belts have a burnishing wear-in coating that may or may not be affecting how it tracks as it gradually wears-in. Once fully worn-in it may track nice and straight.

Just guessing, but before taking on the major task of removing the isolator which is required to remove the belt, I myself would try the above.

Let us know what you find. : )
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Bomber
Posted on Thursday, March 23, 2006 - 12:22 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Suave -- I second Blake's suggestion -- also, a pic or measurement might be useful, yes?
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M1combat
Posted on Wednesday, April 05, 2006 - 03:39 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Wouldn't the alignment of the rear wheel in an adjustable system make that happen? Particularly in this case if the right side was pulled back too far?
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