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 help with chain (ttr 125)
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muddiest has no Avatar

15 Posts

Topic started on 03/04/2007 at 1:55:35 PM  Member Profile  Reply with Quote

i have a ttr 125

so when im riding in my woods or wherever i lean the bike over on its left side, like turning sharp or somthing, and the chain falls off.

I already have chain guards but i think part of the bottom one broke off.

so if you could tell me what the problem is, even if its just i need new gaurds, that be great.


Oakville, ON

b_king's Avatar

4566 Posts

Posted on 03/04/2007 at 3:13:37 PM  Member Profile  Reply with Quote
Either the chain guide on the bottom of the swingarm broke off or you're axle is loose and is moving forward causing too much slack and the chain falls off. This happened to my buddies XR80.

Good luck!

08 KLX450R

07 CRF230F

rgeorge has no Avatar

8 Posts

Posted on 04/15/2007 at 10:45:23 AM  Member Profile  Reply with Quote
If the white piece of plastic on the bottom of the swig arm os broke off maybe you should consider replacing that or loosening up the to bolts on either side and adjustig that to move the back wheel back further to tighten up the chain

2007 CRF230F - Awesome bike!
2005 TTR125L - Sold

Charlotte, NC

ikarus1's Avatar

158 Posts

Posted on 04/18/2007 at 09:05:25 AM  Member Profile  Reply with Quote
most likely your sprockets are worn to the point the teeth no longer hold the chain. Does it fall off mainly when your suspension is moving? If so, get yourself a new chain/sprocket kit.

Yamaha TTR125
Baja DR50
Baja WD50 ATV

Toronto, Ont

larry0101's Avatar

12 Posts

Posted on 08/15/2007 at 5:25:34 PM  Member Profile  Click to see larry0101's MSN Messenger address  Reply with Quote
i had the same problem with my ttr 125 it keept falling off really anoying when going through mud puddles but ya wat setting is it on now??? what i did for mine was i toke out a link to shorten it i know people say not to do that because it weakenes ur chain but it is holding up fine

01 TT-R125

Braintree, MA

motokid's Avatar

169 Posts

Posted on 09/09/2007 at 9:06:17 PM  Member Profile  Send motokid an AOL message  Reply with Quote
check the motor mounts. the motor mounts on my sisters bike broke on the engine causing the engine to flex when the throttle was applied. idn odds are not but hey any thing is possible i guess

06 CRF250R
07 YZ250F - White Edition
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