1983 Ski-Doo Shop Manual, Page 82Get this manual
SECTION 02 ENGINE
SUB-SECTION 05 (503 ENGINE TYPE)
EVEREST 5001E, BLIZZARD 5500 MX MODELS
REMOVAL FROM VEHICLE
Remove or disconnect the following (if applicable) then lift engine out of vehicle Pulley guard, drive belt Muffler Air intake silencer Throttle cable at carburetor Fuel lines and pulsation line
NOTE: Secure fuel lines so that the opened ends are higher than the fuel level in the tank