1999 Ski-Doo Factory Shop Manual Volume Two, Page 152Get this manual
Subsection 07
Section 04 ENGINE (AXIAL FAN COOLING SYSTEM)
Using press, drive the fan shaft no9 out
INSTALLATION
At assembly, apply light coat of Loctite 242 (blue) on screw no1 threadsA gasket must be placed on both sides (inner and outer) of intake and exhaust holes of cylinder cowl nos4 and 5Reinstall fan protector no18 properly
WARNING
Always reinstall fan protector after servicing
FAN BELT REPLACEMENT AND DEFLECTION ADJUSTMENT
A23C06A