2002 Ski-Doo Shop Manual Volume Two, Page 140Get this manual
Section 04 ENGINE Subsection 08 (CARBURETOR AND FUEL PUMP)
CARBURETOR CIRCUIT OPERATION VERSUS THROTTLE OPENING
The following illustration shows the part of the carburetor which begins and stops to function at different throttle slide openingsNote that the wider part of symbol corresponds to the opening mostly affectedFor instance, throttle slide cut-away begins to function at closed position but it is most effective at 14 opening and decreases up to 12 openingThrottle slide openings Wide open 34 12 14 18 13 11 13 14 A00C04B
A30C08A
TYPICAL 1Air temperature sensor 2Air silencer 3MPEM
Twist DPM manifold and detach from air silencerClose Pilot jet and pilot screw Pilot jet and air screw Throttle slide cut-away Needle taper and needle position Needle jet Main jet
All Models Unhook latches then, remove air silencer from left hand sideDisconnect fuel inlet linesIt is easier to disconnect MAG side carburetor fuel inlet lines when carburetors are partially removedMach TECH PLUS Unplug DPM solenoid connectorDisconnect throttle cable from throttle shaftUnfasten choke cable from choke rodRemove carburetors and DPM manifold as an assembly from engine