Off-Road Forums & Discussion Groups - View Single Post - 2001 yamaha warrior 350 max piston size
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post #2 of (permalink) Old 01-05-2009, 09:48 PM
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you can go to a 85mm piston with no damage to the motor, i got the same atv for my son with the stage 2 cam, hotrod crank,and a boat load of other mods. i had a (93mm) i think not for sure with out looking at the paper work. you can go to LA sleeve's web site and order them. i took the jug to a machine shop here in Kansas and they got the new sleeve and piston.
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