1999 Ski-Doo Factory Shop Manual Volume One, Page 64Get this manual
Section 03 TROUBLESHOOTING Subsection 03 (FUEL AND OIL SYSTEMS)
FUEL AND OIL SYSTEMS
SYMPTOM CONDITION TestInspection HIGH FUEL CONSUMPTION OR RICH MIXTURENORMAL USE1Check fuel tankaPerforated fuel tankReplace fuel tank2Check fuel pump, reservoir and carburetor fittingsaLeaking fittingsReplace defective part3Check primeraFuel flows through primer while engine runsReplace primer4Check float height in carburetor(s)aFuel level is too high in float bowl(s)Adjust according to specifications (refer to TECHNICAL DATA 10)5Check needle valve