WR400 pipe on YZ426

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  • Guest_Guest_*

Posted June 19, 2000 - 03:48 PM


I've temporarily put a WR400 pipe on my YZ426 for those occasions when I want to ride with trail or dual sport guys and not sonically offend all of humanity within 1 km. My question is: should I lean out the jetting (or how much?) to compensate for the extra back pressure from the pipe? Has anybody done something similar before?

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