2003 Ski-Doo REV Series Factory Shop Manual, Page 148Get this manual
Section 04 ENGINE Subsection 08 (CARBURETOR AND FUEL PUMP)
CLEANING AND INSPECTION
All Models The entire carburetor should be cleaned with general solvent and dried with compressed air before disassemblyCAUTION: Heavy duty carburetor cleaner may be harmful to the float material and to the rubber parts, O-rings, etcTherefore, it is recommended to remove those parts prior to cleaningCarburetor body and jets should be cleaned in carburetor cleaner following manufacturer's instructionsWhen jets are very dirty or coated with varnish and gum, replace them
1, Float and Needle Valve Ass'y
Unfasten both screws then, pull out float and needle valve ass'y no1At assembly, apply Loctite 243 on screw threads
5, Main Jet