2004 Bombardier Quest/Traxter Series Shop Manual, Page 79Get this manual
Section 03 ENGINE QUEST Subsection 02 (TROUBLESHOOTING)
SYMPTOM CONDITION TestInspection
HIGH ENGINE OPERATING TEMPERATURENORMAL USE1Check if cooling system shows any failure (see COOLING SYSTEM)aSystem is leakingRepair andor replace damaged part(s)2Check oil levelaOil level is to highDrain and refill with appropriate oil (refer to TECHNICAL DATA)3Check condition and heat range of spark plugaMelted spark plug tip or inadequate heat rangeInstall recommended spark plug (refer to TECHNICAL DATA)4Check air inlet and outlet of the CVT coveraAir circulation is clogged (overheating)Clean air circulation from contaminationbDrive belt worn andor damagedReplace belt with an appropriate drive belt (refer to TECHNICAL DATA)5Check calibration of carburatoraWrong carburator adjustment (engine to lean)Clean and readjust carburator