2004 Ski-Doo REV Series Factory Service Manual, Page 77Get this manual
Section 03 TROUBLESHOOTING Subsection 02 (FUEL AND OIL SYSTEMS)
FUEL AND OIL SYSTEMS
The following chart is provided to help diagnose the probable source of troublesIt should be used as guidelineSome causes or corrections may not apply to specific modelNOTE: For the SDI fuel system troubleshooting, also refer to appropriate ENGINE MANAGEMENT subsectionSYMPTOM HIGH FUEL CONSUMPTION OR RICH MIXTURE (MODELS WITH CARBURETOR ONLY)
CONDITION
TESTINSPECTION
NORMAL USE 1Check fuel tankaPerforated fuel tankReplace fuel tank2Check fuel pump, reservoir and carburetor fittingsaLeaking fittingsReplace defective part3Check choke adjustmentaFuel flows through choke circuit while engine runsReadjust choke4Check float height in carburetor(s)aFuel level is too high in float bowl(s)Adjust according to specifications (refer to TECHNICAL DATA)5Check needle valve on each carburetoraForeign particles prevent needle valve from closing andor pounded seating areaClean or replace needle valve, then clean seating area