1998-2001 Yamaha YFM600FHM Grizzly Factory Service Manual, Page 99Get this manual

IIANOSJP I(0) VALVE CLEARANCE ADJUSTMENT 6.Remove: Timing plug

7.Check: Valve clearance Out of specification

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