hey there ive got a 2001 660 raptor that is all stock expet for the kn air filter has the air box cover still on it,180 psi compression,valve were adjusted,fresh carb rebuild kit with stock jets carb set at 4 and half turns were is only setting will run alright,raptor is will start,idle and drive but is really boggy and has no power at all through out the throttle, i unhooked the pb switch and grounded the reverse