Bombardier SeaDoo 2005 Engines shop manual, Page 549Get this manual

Bombardier SeaDoo 2005 Engines shop manual, Page 549

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Section 02 TROUBLESHOOTING Subsection 01 (TROUBLESHOOTING CHART)
ENGINE CONTINUALLY BACKFIRES
OTHER OBSERVATION Weak spark Spark plugs Ignition timing Defective trigger wheelCPS Engine Int