2001 Ski-Doo Factory Shop Manual Volume Three, Page 113Get this manual
Subsection 03
Section 04 ENGINE (LEAK TEST AND ENGINE DIMENSION MEASUREMENT)
If pressure drops, it indicates defective crankshaft inner seal
If there is leak, it indicates defective seal of pump shaft (oil seal beside coolant ceramic seal)2Leaks can be also on oil pump sideCheck mounting area for leaks
A32C1IA
A32C1GB
CRANKSHAFT INSTALLED IN UPPER HALF CRANKCASE 1Crankshaft inner seal on PTO side 2Crankshaft inner seal on MAG side
1Check drain hole below coolant pump housing with soapy water