Hello everyone...

I have a 2000 Yamaha Grizzly 600...and been having an issue lately...


If I drive the machine lightly (not going too fast) it will run perfect. However If I really take off and hold the throttle down all the way or 3/4 open, the machine will sometimes (not all the time) sputter and loose ALL power. It will then not allow me to go any faster and will continue to sputter for a few seconds, up to a minute sometimes and then all of a sudden w/o warning it will be fine....at least for a little while longer then the problem will persist....

Any advice?