Snowmobile Polaris High Performance (2001 year). Manual - part 86
ELECTRICAL
8.3
Conversion Chart - Degrees to Piston Position - B.T.D.C.
If the ignition timing specification is listed in degrees only, convert to either inches or mm BTDC and use a dial indicator to verify timing marks. NOTE: Due to differing rod lengths and engine strokes, consult the engine model list for correct engine.