1999 Ski-Doo Factory Shop Manual Volume One, Page 147Get this manual
Section 04 ENGINE Subsection 07 (AXIAL FAN COOLING SYSTEM)
NOTE: The following procedures can be done without removing engine from chassis
REMOVAL
Remove mufflerUsing flat screwdriver, lift fan protector tabs as shown in the following photo, then remove fan protector
A03C1ZA
ELECTRIC START MODELS ONLY 1Cut this locking tie 2Rewind starter
A03C1YA
Remove rewind starter and put it asideOn models so equipped remove connecting flange bolted to fan housingUsing fan holder tool (PN 420 876 357), unscrew fan shaft nut