2004 Poalaris MSX110, MSX150 PWC Original Service Manual, Page 85Get this manual

ENGINE DISASSEMBLYASSEMBLY Engine Inspection Procedures Valve Inspection
Measure valve margin thickness
Out of specification: Replace valve

Measure valve stem diameter

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