1999 Ski-Doo Factory Shop Manual Volume Two, Page 181Get this manual
Subsection 11
Section 04 ENGINE (CARBURETOR AND FUEL PUMP)
First loosen adjuster nut then turn throttle cable adjuster accordingly
WARNING
This gap is very importantIf the throttle slide rests against the carburetor cover at full throttle opening, this will create too much strain and may damage the throttle cable or other components in throttle mechanism
Carburetor Synchronization
Dual Carburetor Models Only When depressing throttle lever, both carburetor slides must start to open at the same timeUnlock cable adjustment lock nut on one carburetorScrew or unscrew cable adjuster until both carburetor slides start to open at same timeCable play will be identical on both carburetorsRetighten jam nut