2003 Polaris ATV Trail Boss 330 Factory Service Manual, Page 85Get this manual

2003 Polaris ATV Trail Boss 330 Factory Service Manual, Page 85

CAMSHAFT TIMINGMETHOD 2

MethodCamshaft Timing Using Flywheel TDC Mark
Crankshaft to Camshaft Centerline Do not use dot on sprocket for cam timing Decompressor arm stop pin UP (Cam lobes DOWN)

Sprocket marks aligned with gasket surface at TDC on compression stroke (cam lobes facing downward, decompressor arm stop pin UP)

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