[yammi] - ATV Riders Forums - Honda, Yamaha, Suzuki, Kawasaki, Polaris, CanAm, Arctic Cat, Kymco ATVs

Pages:1

yammi
(Click here to view the original thread with full colors/images)

Posted by: JW450R1

so my freind just bought a yfz 450.10 minutes of riding and the header pipe is cherry red.i no they run a little lean.i've been reading some of the threads.the problem is that he brought it back to the dealership and they messed with the carb. 3 different x's.now it stalls and back-fires.yammi says thats normal.can any-one help us out.i think maybe he burned a valve.he just got a pipe and jet-kit for christmas,but he doesn't want to install it until it is running right first......help