Polaris 2001 High-Performance Snowmobile Service Manual (PN 9916690), Page 73Get this manual
ENGINE Assembly, Cont7Install mechanical seal guide (special tool) on end of pump shaftMechanical Seal Guide Tool 440 Edge Pro X500 XC SP600 XC SP domestic engines 8.4mm: PN 2872010 8Lubricate seal guide and drive or press new mechanical seal into case until fully seated using the seal press tool
Mechanical Seal
9Lubricate all crankshaft bearings with Premium 2-Cycle or Premium Gold Engine Lubricant10Apply 13 oz(10 cc) cross shaft break-in lube to oil pump gearsOil Pump Cross Shaft Break-in Lube: PN 2872435ozPN 28724362.5 Gallon 11Install seals on crankshaft with spring facing inward (toward crankshaft)12Clean and de-grease lower crankcase and install crankshaft assembly, aligning seals and snap ring with grooves in case13Turn bearings so locating pins fit in notches of lower case halfSee photo above14Apply thin coating of 3-Bond 1215 sealant to lower crankcase mating surface15Install upper crankcase on lower crankcasePhoto 1