Polaris 2001 High-Performance Snowmobile Service Manual (PN 9916690), Page 96Get this manual
ENGINE Disassembly, Cont10Remove water pump assembly
11Remove crankcase bolts and separate crankcase halves
12Inspect crankcase and crankshaft as outlined in general inspection procedures13Clean crankcase thoroughly to remove all grease, oil, dirt, and old sealant