2001 Ski-Doo Factory Shop Manual Volume Two, Page 142Get this manual
Subsection 08
Section 04 ENGINE (CARBURETOR AND FUEL PUMP)
6,11, Air Screw and Pilot Screw
Completely close the air screw or pilot screw depending on model (until slight seating resistance is felt) then back off as specifiedRefer to TECHNICAL DATA for the specifications
Throttle Slide Height (preliminary idle speed adjustment)
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
MAG carburetor adjusted first Drill used as gauge to measure throttle height Locking screw Adjusting nut