Bombardier SeaDoo 1989 factory shop manual, Page 151Get this manual
Section 13 TROUBLIESHOOTING
ENGINE OVERHEATS
OTHER OBSERVATION
POSSIBLE CAUSE
REMEDY Clean CleanSee section 05Siphon and refill See section 07-01
Overheating beeper sounds
Clogged jet pump water intake Cooling system clogged Carburetor adjustment Incorrect type of gas or oil Ignition timing
ENGINE CONTINUALLY BACKFIRES
OTHER OBSERVATION Weak spark Overheated engine Ignition timing
POSSIBLE CAUSE
Cleaniverify spark plug and heat rangeReplace as required
Fouleddefectiveworn spark plugs See "ENGINE OVERHEATS" Incorrectly set
See section 07-01
ENGINE PINGINNG OR KNOCKING
OTHER OBSERVATION
1 POSSIBLE CAUSE