1997 Ski-Doo Factory Shop Manual Volume One, Page 24Get this manual

1997 Ski-Doo Factory Shop Manual Volume One, Page 24

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Section 02 TROUBLESHOOTING Sub-Section 02 (ENGINE)
ENGINE DETONATION AT MAXIMUM RPMNORMAL USE1 Check which type of fuel is usedaOctane number is too low andor alcohol level is too highUse recomm