1997 Yamaha YFM600FWAK ATV Service Manual, Page 131Get this manual

VALVES AND VALVE SPRINGS

5.Measure: Runout (valve stem) Out of specification -7 ReplaceRunout limit: 0.01 mm (0.0004 in)

NOTE: _302004

When installing new valve always replace the guide If the valve is removed or replaced always replace the oil seal6.Eliminate: Carbon deposits (from the valve face and valve seat) 7.lnspect: Valve seats Pittingwear -7 Reface the valve seat

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