1986 Ski-Doo Factory Shop Manual, Page 55Get this manual
Section 02 ENGINE SUb-section 02 (253 ENGINE TYPE)
iFan housing
1'3" v'tJerr
14Lock washer mm (41 15" Screw M6 30 (4) 16Fan cover 17 Cylinder cowl 18!aptite screw MT6 x: 16 79Rubber washer (41 20Cowl cover (4) 21Lock washer mm (4) 22" Screw M6 72 (3) 23Screw M6 16
2" Snap ring
4Bearing 6203 f21 5Fan shaft 6" Woodruff key 7Spacer B" Pulley hall 9Shim 05 mm to" Fan 11 Leick washer 16 mm
'2Nut M16
CLEANING
Clean all metal components in non-ferrous metal clean-
Use belt tension tester PIN 414 3482 00 to check deflection
DISASSEMBLYASSEMBLY
12, Fan nut