1972 Ski-Doo Shop Manual, Page 139Get this manual
SINGLE CYLINDER ENGINE
2-02-13 sequence, position flange gasket, isolating flange, flange gasket, isolating sleeves, carbure tor, isolating washers and nutsFirmly tighten flange nutsCAUTION: The intake flange of the engine has vacuum port on the bottom right hand side, ensure the plastic flange vacuum port orifice aligns with flange vacuum port of engine (fig22-40)
NOTE: On manual start engines bend the lock washer over the nut in two different places using pin punch and hammer34Install fan cowl andor fan cowl coverInstall wiring harness, throttle andor brake cable brackets to fan cowlengine35Secure "gine mount to crankcase studs using four (4) nuts and washersTorque each nut to 50 NIbs36Carry out engine timing as detailed in sub-section 2-637Install starting pulley to magneto using three (3) washers and nuts38Position rewind starter in location and secu re to fan cowl using four (4) screws and washersNOTE On Olympique 335E model, the lower left screw securing the rewind starter is also used to secure the battery cable clamp