2003 Polaris ATV Trail Boss 330 Factory Service Manual, Page 191Get this manual
ELECTRICAL
FLYWHEEL IDENTIFICATION
Flywheel Identification Stamp Location
The flywheel can be identified by the stamp mark in location ARefer to "I.D location in chart belowDo not use the cast mark to determine flywheel application2003 Engine Application Magnum ES32PFE10 Type NA Cast NA Stamp NA Comment 200W I.DStamp NA