1999 Ski-Doo Factory Shop Manual Volume Three, Page 150Get this manual
Subsection 08
Section 04 ENGINE (CARBURETOR AND FUEL PUMP)
Carburetor Synchronization
VM Type Carburetor When depressing throttle lever, allboth carburetor slides must start to open at same timeUnlock cable adjustment lock nut on one carburetorScrew or unscrew cable adjuster until all carburetor slides start to open at same timeCable play will be identical on all carburetorsRetighten jam nut-
CAUTION
Make sure all carburetors start to operate simultaneously
TM Type Carburetor All carburetor slides must start to open at the same timeCarburetor synchronization is done when adjusting throttle slide heightSee above
Idle Speed Final Adjustment
CAUTION
Before starting engine for the final idle adjustment, make sure that oil pump is adjustedThe oil injection pump adjustment must be checked after each time carburetor idle is adjustedRefer to OIL INJECTION SYSTEM 04-06Start engine and allow it to warm then adjust idle speed to specifications by turning idle speed screw clockwise to increase engine speed or counterclockwise to decrease itRefer to TECHNICAL DATA 10 for the specificationsNOTE: Turn adjustment screw the same amount to keep carburetors synchronized