Yamaha Grizzly 660 — Yamaha Grizzly 660 Service Manual PDF | Maintenance & Repair Guide (EN)

FEATURES In addition, the 4WD (Diff-Lock) mode can be engaged only when the ATV is stopped. Even if an attempt is made to select this mode when the ATV is traveling, it will only result in a standby condi- tion (i.e., when the differential lock select switch and the differential gear are not matched). (1) When the ATV is traveling Even if the 4WD (Diff-Lock) mode is selected, the gear motor will stand by, instead of operating. Therefore, the ATV can be driven in the normal 4WD mode. When this occurs, the differential gear lock indicator light “ ” in the speedometer unit will flash to alert the driver that the control is on standby.

When the ATV is stopped, the control transfers to the condition described in (2). DIFF. LOCK (2) When the ATV is stopped The gear motor operates to connect the drive clutch to the differential case, thus resulting in the differential lock condition. When this occurs, the differential gear lock indicator light “ ” in the speedometer unit changes to a constant illumination. * Until the drive clutch and the differential case mesh together (i.e., the splines are unmeshed) the engine misfires to control the engine speed. During this time, the differential gear lock indicator light in the speedometer unit continues to flash. DIFF. LOCK 1 - 6 GEN INFO