1998-2001 Yamaha YFM600FHM Grizzly Factory Service Manual, Page 217Get this manual

MIDDLE GEAR

3.lnspect: Gear teeth (drive pinion gear) D Gear teeth (driven pinion gear) Pittinggallingwear Replace
4.lnspect: O-ring Damage Replace Bearings ReplacePittingdamage 5.Check: U-joint movement Roughness Replace U-joint

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