1980 Ski-Doo Shop Manual, Page 50Get this manual
SECTION 03 SUB-SECTION 02 (ENGINES)
ENGINE SUPPORT AND MUffLER
REMOVAL FROM VEHICLE
Remove or disconnect the followings then hft engine from vehicle- Pulley guard and drive beltMufflerThrottle cable and Intake silencerFuel lines
Electrical connectors
Hood retaining cable Bolts (3) securing engine support to chassis