2009 Polaris Sportsman 850 XP EFI EPS Service Manual, Page 131Get this manual

2009 Polaris Sportsman 850 XP EFI EPS Service Manual, Page 131

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ENGINE Camshaft TimingQuick Reference
Flywheel Pin facing UP Sprocket marks aligned with surface of head

IMPORTANT! Valve andor piston damage can occur if engine is rotated with cam