2005 Ski-Doo REV Series Shop Manual, Page 71Get this manual

2005 Ski-Doo REV Series Shop Manual, Page 71

Section 03 ENGINES Subsection 01 (LEAK TEST)
A32C1HA

A32C1JA

If pressure drops, it indicates defective crankshaft inner seal
1Weep hole

If there is leak, it indicates that pump shaft is defective (oil seal beside coolant ceramic seal) Leaks can be also on oil pump sideCheck mounting area for leaks
A32C1IA