2008 Polaris ATV Sportsman 300 400 H.O. Service Manual, Page 57Get this manual

2008 Polaris ATV Sportsman 300 400 H.O. Service Manual, Page 57

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ENGINE (300) Piston Identification
Oversize Standard Piston Available (mm) Identification
.25mm .50mm Valve Pocket to Rear (Intake Side)

Cam Chain and Sprockets Cylinder Cylin