2004 Polaris Pro X Factory Service Manual, Page 239Get this manual
ENGINE Assembly
1Lubricate all crankshaft bearings with Premium 2-Cycle or Premium Gold Engine Lubricant2Apply 13 oz(10 cc) cross shaft break-in lube to oil pump gearsOil Pump Cross ShaftBreak-in Lube: PN 2872435oz3Install seals on crankshaft with spring facing inward (toward crankshaft)4Clean and de-grease lower crankcase and install crankshaft assembly, aligning seals and snap ring with grooves in case5Apply thin coating of 3-Bond 1215 sealant to lower crankcase mating surface6Install upper crankcase on lower crankcase