2004 Skidoo Tundra Skandic Series Service Manual, Page 191Get this manual
Section 04 ENGINE Subsection 08 (AXIAL FAN COOLING SYSTEM)
NOTE: The following procedures can be done without removing engine from chassis
REMOVAL
NOTE: To facilitate further disassembly, fan nut may be removed before removing fan housingRemove rewind starter, starting pulley, trigger coil wire from 4-connector housing then fan housing ass'y
CLEANING
Clean all metal components in non-ferrous metal cleaner420 876 357
A09C08A