Polaris msx 110 Service Manual page 94

ENGINE DISASSEMBLY / ASSEMBLY
Engine Inspection Procedures
Piston Inspection
Measure piston pin boss inside diameter.
Out of specification: Replace piston
S
Measure piston pin outside diameter.
Out of specification: Replace piston pin
S
Confirm piston--to--cylinder clearance specification.
Out of specification: Replace piston pin
S
Measure installed ring end gap.
Out of specification: Replace rings or
S
cylinder block
2004 Four Stroke PWC Service Manual
Feeler Gauge
Cylinder
Piston Ring
4.39