2003 Ski-Doo REV Series Factory Shop Manual, Page 149Get this manual
Subsection 08
Section 04 ENGINE (CARBURETOR AND FUEL PUMP)
All Models Remove carburetor coverLoosen needle retainer screw no8Fully open throttle and hold in this position for the following stepMove aside needle retainer no9Lift throttle slide covers bottom first until they are free from carburetor bodiesThen, slide them out2 1
A32C2OA
StepLift bottom first StepSlide out