Piston
Ring
Feeler Gauge
ENGINE DISASSEMBLY / ASSEMBLY
4.40
2004 Four Stroke PWC Service Manual
Engine Inspection Procedures
Piston Inspection
Measure piston ring grove clearance.
S Out of specification: Replace piston ring
or piston
High Pressure Oil Pump Inspection
Measure relief spring free length and piston dimensions.
S Out of specification: Replace spring and
piston
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