1980 Ski-Doo Shop Manual, Page 138Get this manual
SECTION 03 SUB-SECTION 02, (ENGINES)
ENGINE SUPPORT &MUFFLER
REMOVAL FROM VEHICLE
Remove or disconnect the followings (if applicable) then lift engine out of vehicleDrive belt
e Muffler Air intake silencer tube, Choke cable at carburetorc Throttle cable at carburetor Fuel lines at carburetorNOTE: Secure fuel lines so that the opened ends are higher than the fuel level In the tankS
e Disconnect negative cable (ground) from battery, then disconnect electrical connections leading to enginee ConsoleEngine mount nuts