Polaris 2009 Trail Boss 330 Service Manual page 85

ENGINE
CAMSHAFT TIMING - METHOD 1
Method 1 - Camshaft Timing with Stator Removed
Crankshaft to Camshaft Centerline
Single Plated
Sprocket marks aligned with
gasket surface at TDC on
Link and Dot on
compression stroke (cam
Cam Sprocket
lobes facing downward)
Single Plated
Link and
Rectangular
Crankcase Projection
Mark
on Cam
Chain Drive
Sprocket NOTE: Plated links will not align after engine is rotated.
3.39