1986 Ski-Doo Factory Shop Manual, Page 222Get this manual
Section 02 ENGINE Sub-section 11 (CARBURETORFUEL PUMP)
The illustration below shows which part of the carburetor begins to fUnction at different throttle slide openings
On all models except Elan, Alpine, Formula MXPlus, make sure to insert tab into the notch to assemble the carburetor adaptor with the engine, or the carburetor or the air silencerCAUTION: The rubber flange must be checked for cracks andor damageAt assemblythe flange must be perfectly matched with the air intake manifold or severe engine damage will occurWhen installing throttle cable end in throttle slide, hook up cable by using the stopper at the extremity of the cable
Throllle slide openings
Wide Opefl,
10.16Idle air screw and pilot JEH 7Throttle slide cut-away _-'
4, Needle taperneedle position'
8Needle Jet Throttle
24, Main jet
NOTE: For fine tuning refer to section 09, "Technical data" and to section 04-03, "Spark plug"