1980 Ski-Doo Shop Manual, Page 41Get this manual
SECTION 03 SUB-SECTION 02 (ENGINES)
IENGINIE SUPPORT AND MUffLER
REMOVAL FROM VEHICLE
Remove or disconnect the followings then lift engine from vehiclePulley guardDrive belt
co Muffler Choke knobIt
Decompressor
Throttle calbee Fuel lines E!ectrical connectorEngine mount nuts