1997 Ski-Doo Factory Shop Manual Volume One, Page 22Get this manual

1997 Ski-Doo Factory Shop Manual Volume One, Page 22

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Section 02 TROUBLESHOOTING Sub-Section 02 (ENGINE)
4 Melted andor perforated piston domemelted section at ring end gapaWhen piston reaches TDC, mixture is ignited by heated areas in combustion c