Originally posted by spanky250
Making the engine produce YZ power is as simple as moving the exhaust cam one notch on the chain, but it will lose a lot of the WR torque in the process.
Originally posted by cjKTM
The only thing that I still need is a spark arrestor but haven't made up my mind yet.(Will somebody make something quieter please!). By the way, my buddy(who is older than me at 43) won high point A on his YZ250F.
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