over heating

Yamaha Raptor 350 & Warrior Forum

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    engine overheating??

    hey guy, ive got a Warrior with a .040 over Wisco 10.25 piston, DG full exhaust, K&N filter w cut up airbox lid, Rev box, Jet kit and a few other mods. i recently installed a TrailTech Vapor dash wich is totally great! but its reading that my warrior runs at about 375-400 degrees under hard...