1998-2001 Yamaha YFM600FHM Grizzly Factory Service Manual, Page 104Get this manual
THROTTLE LEVER FREE PLAY ADJUSTMENTI SPEED LIMITER ADJUSTMENT II:gS 1(0) I
4.lnstall: Fuel tank Front fender Front carrier Seat Refer to "SEAT, CARRIERS, FENDERS AND FUEL TANK"
SPEED LIMITER ADJUSTMENT The speed limiter keeps the carburetor throttle from becoming fully-opened even when the throttle lever is applied to the maximum positionScrewing in the adjuster stops the engine speed from increasing
1.Check: Speed limiter length Out of specification
Speed limiter length: 12 mm (0.47 in)