2003 Polaris 3 PRO X Factory Service Manual, Page 58Get this manual
ENGINE Assembly, Cont7Lubricate and install new mechanical seal using the Mechanical Seal Guide Tool PN 2872010
8Lubricate seal guide and drive or press new mechanical seal into case until fully seated using the seal press tool9Lubricate 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
11DO NOT insert any grease in the grease zerk located on the PTO end of the crankcase(440 Pro engine only)Pack the crankcase PTO end cavity with 22 grams of Mobile Synthetic grease