2009 Yamaha Motorsports Big Bear 400 4x4 IRS Owners Manual - Page 29

2009 Yamaha Motorsports Big Bear 400 4x4 IRS Manual

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Page 29 highlights

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 G If the differential gear lock is not engaging properly, turn the handlebar back and forth to help it engage. G Riding before the differential gear lock is properly engaged will cause the engine speed to be limited until engagement is complete. G When the ATV is in four-wheel-drive differential gear lock, the maximum traveling speed is limited to 31 km/h (19 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 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. 4 1. Throttle lever Before starting the engine, check the throttle to be sure it is operating smoothly. Make sure it returns to the idle position as soon as the lever is released. Throttle lever Once the engine is running, movement of the throttle lever will increase the engine speed. 4-10

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4-10
4
TIP
●
If the differential gear lock is not engaging prop-
erly, turn the handlebar back and forth to help it
engage.
●
Riding before the differential gear lock is proper-
ly engaged 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 limit-
ed to 31 km/h (19 mi/h). However, if conditions
require full engine power to be available, push
and hold the override switch to disable the differ-
ential 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 throt-
tle lever will increase the engine speed.
Regulate the speed of the ATV by varying the
throttle position. Because the throttle is spring-
loaded, the ATV will decelerate, and the engine will
return to an idle any time the hand is removed from
the throttle lever.
Before starting the engine, check the throttle to be
sure it is operating smoothly. Make sure it returns
to the idle position as soon as the lever is released.
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.
1.
Throttle lever