1985 Ski-Doo snowmobile Service Manual, Page 312Get this manual
Section 03 TRANSMISSION Sub-section 07 (CHAINCASE)
1Oil seal Bearmg cone Bearing cup 4Chamcase 5Oil deflecror 6Bearing cup 7Bearmg cone 8Upper sprocket 9Sprmg washer 70 Castellated nut 77Co((er pin 72 Breather 73Relrlforcement 74 Spacer 75 Sp'mg 76 Cham tens loner
7778 79 20 2122 23
282930 3132
Bushing Screw Tapme screw M6 3D or420Carnage bolt M8 125 55 Threaded spacer Shim ElaSltc SlOp nut M8 725 Spacer (thicker) Lower sprocket Dnve cham Spacer thmner Snap rmg Orlng Chamcase cover Dnve axle holder Chamcase at! 20.0ml 17 oz)
REMOVAL
Chaincase and driven pulley can be removed from vehicle as an assembly Refer to Driven pulley sub-section 04, see the corresponding models
28, Snap ring
CAUTION: It is of the upmost importance to install
T the snap ring otherwise damage to the chaincase components may occur
DISASSEMBLY