Jump to content
Sign in to follow this  

are valve shims bike specific?

Recommended Posts

Hi, i just bought a 2008 crf 250x, and i need to re-shim 2 of the valves. only problem is that I'm in a remote location. there is only a yamaha shop where I'm at. are dirt bike valve shims (hot cams etc) bike manufacture specific???.or are they all the same? thx..

Share this post


Link to post
Share on other sites

The 250X shims are 7.48mmOD, common on at least some models of all the J bikes, so your local Yamaha dealer should have shims. 

  • Like 1

Share this post


Link to post
Share on other sites

If you don't yet know what size you need, you can buy a Hot Cams kit (HCSHIM01) online for about $63.  You will have a bunch leftover though (kit has 141 shims in it).

Share this post


Link to post
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Reply with:

Sign in to follow this  

×