1985-1995 Polaris ATV and Light Utility Hauler Service Manual, Page 269Get this manual
ENGINES Engine Service, 350L400L Cont17Remove collar, O-ring, guide washer and crankshaft gear (A)NOTE large screwdriver may be used to aid removal18Remove two bolts retaining the counter balance bracket (8) using 10 mm socketCAUTION: Make no attempt to remove the counterbalance until steps 17 and 18 are complete, or damage may result to the counterbalance assemblyReassembly Note: Punch marks (C) on both gears must be across from each other during reassemblySee photo three at right 19Remove oil pump assembly (0)