kit for increasing engine ccm of yam. WR 450

1 reply to this topic
  • krasy

Posted January 05, 2003 - 10:18 AM


If you now when can I get a special kit (a larger bore and cylinder) for my yamaha please answer. I need more than 451ccm in my WR.
krasy rider: :)

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  • Dwight_Rudder

Posted January 05, 2003 - 11:15 AM


The best way to go is to get a stroker crank for it. It would make for increased displacement and increased low end power and torque. Powroll usually does a good job with stroking cranks and at a resonable cost.
Let us know if they will do it. They do on the YZ/WR250 and YZ/WR426

PS: I rode the ISDE in Poland in 1987


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