2003 Polaris ATV Trail Boss 330 Factory Service Manual, Page 71Get this manual
STARTER DRIVE REMOVALINSPECTION
1Remove recoil housing bolts and remove housing
Starter Drive Bushing Clearance: Std: .0015-.004 (.038-.102 mm) Service Limit: 008 (.203 mm)
6Inspect gear teeth on starter driveReplace starter drive if gear teeth are cracked, worn, or broken