2003 Yamaha YFM400FAR Kodiak Factory Service Manual, Page 238Get this manual

FRONT CONSTANT VELOCITY JOINTS AND DIFFERENTIAL GEAR

CHECKING THE DIFFERENTIAL GEAR 1.Check: Gear teeth Pittinggallingwear Replace drive pinion gear and differential gear assembly as setG Bearing Pittingdamage ReplaceG Oil seal O-ring Damage Replace2.Check: Drive shaft splines Universal joints Front drive gear splines Weardamage ReplaceG Spring Fatigue ReplaceMove the spring up and down
3.Check: Front drive shaft Bends Replace

• ATV
• Jet Ski
• Outboard Motors
• Personal Watercraft
• Snowmobiles
• Stern Drives