2004 Ski-Doo REV Series Factory Service Manual, Page 73Get this manual

2004 Ski-Doo REV Series Factory Service Manual, Page 73

Section 03 TROUBLESHOOTING Subsection 01 (ENGINE)
SYMPTOM

HIGH ENGINE OPERATING TEMPERATURE
CONDITION
TESTINSPECTION

NORMAL USE16Check if there are leaks at air intake silencer andor engine crankcaseaLeak(s)Repair or replace17Check condition and heat range of spark plugsaMelted spark plug tip or inadequate heat rangeReplace
SYMPTOM