2009 Yamaha Motorsports Grizzly 450 4x4 Owners Manual - Page 30

EWB00101 G WARNING POTENTIAL HAZARD Riding too fast while the ATV is in fourwheel-drive differential gear lock. WHAT CAN HAPPEN All wheels turn at the same speed when the differential gear is locked, so it takes more effort to turn the ATV. The effort needed to turn increases with the riding speed. You may lose control and have an accident if you cannot make a sharp enough turn for the speed you are traveling. HOW TO AVOID THE HAZARD Always ride at a slow speed when the ATV is in differential gear lock, and allow extra time and distance for maneuvers. TIP When the switch is set to "LOCK", the differential gear lock indicator and indicator light will flash until the differential gear is locked. G When the indicator and indicator light are flashing, turning the handlebar back and forth will help the differential gear lock to engage. G 4-11 G 4 Riding before the differential gear lock is properly engaged (e.g., when the indicator and indicator light are flashing) will cause the engine speed to be limited until engagement is complete. When the ATV is in four-wheel-drive differential gear lock, the maximum traveling speed is limited to 35 km/h (22 mi/h). However, if conditions require full engine power to be available, push and hold the override switch to disable the differential gear lock speed limiter. (See page 4-6 for a detailed explanation of this switch.) EBU18270 Throttle lever Once the engine is running, movement of the throttle lever will increase the engine speed. Regulate the speed of the ATV by varying the throttle position. Because the throttle is springloaded, the ATV will decelerate, and the engine will return to an idle any time the hand is removed from the throttle lever.