1986 Ski-Doo Factory Shop Manual, Page 221Get this manual
Sub-section 11
Section 02 ENGINE (CARBURETORFUEL PUMP)
Example:
Position of the E-clip from top
MIKUNI CARBURETOR FLOAT LEVEL ADJUSTMENT
1',12, Float arm pinfloat arm
Correct fuel level in float chamber is vital toward maxImum engine efficiencyTo check for correct float level proceed as follows:Remove float chamber and gasket from carburetor
Needle JIo-
- With carburetor chamber upside-down, measure
height "H" between float chamberflange rib and top edge of float arm
Ex VM 36 carburetor
7, Throttle slide
The size of the throttle slide cut-away affects the fuel mixture between 118 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