1985-1995 Polaris ATV and Light Utility Hauler Service Manual, Page 153Get this manual
TRANSMISSION SERVICE Type Disassembly
14Drain all oil from gearcase and remove case half retaining bolts15Remove detent ball and spring, and reverse switch16Remove chain sprocket guard and sprocket
17Split the case by tapping and prying in areas where damage to seals will not occurCAUTION: The case halves must come apart evenly to avoid damaging internal bearing surface