yzman_bad250

Member
Feb 25, 2007
9
0
anyone have any advice on tuning the power valve on a 90 yz250 with ohlins big bore 360? bike dont seem to have the power it should. i was also wondering about the timing @ flywheel should i run it the same as the stock 250 or change it a lil? any advice would be great thanks.
 

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