2004 Skidoo ZX Series Service Manual, Page 78Get this manual

2004 Skidoo ZX Series Service Manual, Page 78

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 and 1004 4-TEC fuel and oil systems troubleshooting, also refer to appropriate ENGINE subsectionSYMPTOM HIGH FUEL CONSUMPTION OR RICH MIXTURE
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