Chain hitting the frame

4 replies to this topic
  • yamahaxt

Posted May 13, 2006 - 06:31 AM


On my wr450 2006 the chain is hitting the frame by the front sprocket. I checked the measurement and it is within specs. Is anyone having this problem and should I tighten it down a little.

Thanks for the help

  • odonnks

Posted May 13, 2006 - 12:41 PM


I've heard and read of folks having this happen and most seem to chalk it up to a characteristic of the bike.
I just looked at mine and there is no where I can see that the chain made contact with the frame. (400 mi)
During the 'new' run-ins I kept on the chain because it will stretch the most when new and could need tightening every ride for a while.
I run mine on the tighter limit of the spec.

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  • OneToGo

Posted May 13, 2006 - 10:38 PM


I let mine get 5-10mm out of spec (too loose) and heard the dreaded tinking noise on decel. When loose it will slap the subframe on the inside, part of WR life I hear.
As Odo. says, keep it on the tighter side, I now use the minimum setting and check every ride - no problems. you will have to adjust regularly at first.

  • MojaveThumper

Posted May 14, 2006 - 07:52 PM


Mine is on the min side and I noticed it after a 13 mile ride. Just need to keep an eye on it.


Posted May 14, 2006 - 07:58 PM


My 04 does it as well. The first time I heard it I thought my engine was coming apart.



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