2008 Yamaha Rhino YXR70FX Factory Service Manual, Page 330Get this manual
FRONT CONSTANT VELOCITY JOINTS, DIFFERENTIAL GEAR AND DRIVE SHAFT 3V 5
bConnect two C-size batteries to the gear motor terminal to operate the pinion gear 3, and operate it until the mark on the gear is aligned with the mark on the gear motor caseNOTICE Do not use 12 battery to operate the pinion gearcCarefully install the differential gear motor onto the differential gear assembly, making sure that the shift fork sliding gear remains in the 2WD mode positionNOTICE
If the position of the shift fork sliding gear is moved, the position of the differential gear and the indicator light display may differ, and the 2WD or differential lock mode may not be activateddTighten the differential gear motor boltsDifferential gear motor bolt 11 Nm (1.1 kg, 8.0 ft lb)