Yamaha BIG BEAR 400 Owner's Manual page 27

EBU28360
On-Command differential gear lock switch
"4WD"/"LOCK"
This ATV is equipped with a switch allowing you to
lock the differential gear when in four-wheel drive.
Select the appropriate switch position according to
the terrain and the conditions.
G
"4WD" (four-wheel drive): Power is supplied to
the rear and front wheels.
G
"LOCK" (four-wheel drive with the differential
gear locked): Power is supplied to the rear and
front wheels and the differential gear is locked.
Unlike in four-wheel drive, all wheels turn at the
same speed.
1. On-Command four-wheel-drive switch "2WD"/"4WD"
2. On-Command differential gear lock switch "4WD"/"LOCK"
To lock the differential gear in four-wheel drive,
make sure the On-Command four-wheel-drive
switch is pushed in to the "4WD" position.
1. Differential gear lock lever
2. On-Command four-wheel-drive switch "2WD"/"4WD"
Stop the ATV, move the differential gear lock lever
to position (a), and then push the differential gear
lock switch in to the "LOCK" position. When the dif-
ferential gear is locked, the differential gear lock in-
dicator light " " comes on.
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