1997 Ski-Doo Factory Shop Manual Volume Two, Page 33Get this manual
Section 02 TROUBLESHOOTING Sub-Section 03 (FUEL AND OIL SYSTEMS)
SYMPTOM CONDITION TestInspection
ENGINE LACKS POWER OR STALLS AT HIGH RPM NORMAL USE 1Check fuel tank vent hosea.Kinked or clogged hoseRelocate or replace2Check fuel filtera.Clogged filterReplace3Check fuel linesa.Kinked or clogged linesRelocate or replace4Check fuel pump flowa.Dried diaphragmReplace5Check if carburetor(s) is (are) cleana.VarnishClean