1985 Ski-Doo snowmobile Service Manual, Page 212Get this manual
Sub-section 11
Section 02 ENGINE (CARBURETORFUEL PUMP)
Example:
identification
Position of the "E" clip from top
MIKUNI CARBURETOR FLOAT LEVEL ADJUSTMENT
1112, Float arm pinfloat arm
Correct fuel level in float chamber is vital toward maximum engine effiCiency To check for correct float level proceed as follows
Remove float chamber and gasket from carburetor With carburetor chamber upside-down, measure height "H" between float chamber flange rib and top edge of float arm
Ex VM 36 carburetor
AOOOOQ1088
7, Throttle slide
The size of the throttle slide cut-away affects the fuel mixture between 18 to 112 throttle opening certain amount of richness is needed for that particular range because this is where the transition from the low speed to the high speed circuit takes place