1999 Ski-Doo Factory Shop Manual Volume Three, Page 148Get this manual
Subsection 08
Section 04 ENGINE (CARBURETOR AND FUEL PUMP)
For center and PTO carburetors loosen locking screwsUse same drill bit as for MAG carburetor to measure throttle slide heightTurn adjusting nut to adjust1 3
A01C3NA
TYPICAL 1Drill bit used as gauge for throttle slide height
TM Type Carburetor Remove carburetor coversFirst proceed on MAG carburetorUsing drill bit to measure throttle slide height (see following table) on outlet side of carburetor (engine side)Adjust by turning idle speed screw no71 3
A30C1PA