2004 Skidoo ZX Series Service Manual, Page 215Get this manual
Section 05 ENGINES (4-TEC) Subsection 01 (TROUBLESHOOTING)
TROUBLESHOOTING
The following charts are provided to help in diagnosing the probable source of troublesIt should be used as guidelineThis section pertains to engine mechanical components onlySome related problems can come from other systems such as ignition system, fuel system etcand have an impact on the engineEnsure to check the other systems before concluding that the engine is faulty
COOLING SYSTEM
SYMPTOM HIGH ENGINE OPERATING TEMPERATURE
CONDITION