1999 Polaris SLH, SLTH, SLX, SLTX, PRO785 Factory Service Manual, Page 202Get this manual
ENGINECOOLING Disassembly InspectionPro 785 Pro 785 Engine Disassemblyllnspection Cont14Remove oil pumpNOTE: Shims may be installed between the oil pump and oil pump drive gear bushing to adjust clearanceNote the number and thickness for reinstallationIf the crankcase, oil pump, guide bushing, or drive gear is replaced the clearance must be measured and shims installed accordinglySee page 4.81
15 Remove bushing, thrust washer, and drive gear as an assemblyCheck drive gear for excessive wear and replace if necessaryNote the thrust washer between the drive gear and bushing