2003 2005 YFM45FAR, YFM450FAR Kodiak OEM Service Manual, Page 255Get this manual
FRONT CONSTANT VELOCITY JOINTS AND DIFFERENTIAL GEAR
3.Check: Free play (thrust movement) Excessive play Replace the joint assembly
ASSEMBLING THE DIFFERENTIAL GEAR 1.Measure: Gear lash Refer to "MEASURING AND ADJUSTING THE DIFFERENTIAL GEAR LASH"2.Install: Gear motor Installation steps: Slide the shift fork sliding gear 1, which is installed to the differential gear, to the left to put it into the 2WD modeG Connect two size batteries to the gear motor terminal to operate the pinion gear 3, and operate it until the paint mark on the gear is aligned with the paint mark on the gear motor case