2005 Ski-Doo REV Series Shop Manual, Page 157Get this manual
Section 03 ENGINES Subsection 08 (COOLING SYSTEM)
COOLING FAN REMOVAL AND INSTALLATION
Remove the tuned pipe to gain accessRefer to EXHAUST SYSTEMUnscrew the screws no1 and no2 of inlet duct no3Remove the inlet duct by unclipping the tabs using flat screwdriver from the engine fan housing
ENGINE 377 552
Holder wrench (PN 420 876 357) Holder wrench (PN 529 036 006)
A32C6LA
A32CC9B
1Holder wrench