2007 Polaris Two Stroke Snowmobile Workshop Repair manual, Page 120Get this manual
ENGINE Assembly
123Grease oil pump drive gear areaSeals should be installed with spring and lip facing inward toward crankshaftTurn bearing until anti-rotation pins are positioned in the proper locationApply 3-Bond sealant to crankcase halves5Install pistons arrow toward flywheelTorque crankcase bolts following sequence outlined in beginning of this chapterLubricate crankshaft main bearings through access holesTorque 8mm Bolts to 17-18 flb (22-23 N-m), and 10mm bolts to 23-25 ft-lb (32-35 N-m)
Install C-clip using installation tool PN 2870773Install new base gasketMount gasket with the white sealing material facing up8Lubricate rings and pistons with two stroke oilInstall rings with letter, mark, or beveled side facing upward9Lubricate rings and cylinder with Premium Cycle Lubricant and compress rings with fingers, aligning end gaps with locating pinsInstall cylinder with gentle frontto-back rocking motion, being careful not to damage rings10Install cylinder base nuts in pattern and torque to 27-31 ft-lb (37-43 N-m)