Section 02 TROUBLESHOOTING
Sub-Section 01 (TROUBLESHOOTING CHART)
02-01-1
TROUBLESHOOTING CHART 0
The following is provided to help in diagnosing the probable source of troubles. It is a guideline and should
not be assumed to have all causes for all problems.
ENGINE WILL NOT START
NOTE:
Watercraft equipped with the Digitally Encoded Security System, refer to ELECTRICAL SYSTEM
07-06 for troubleshooting of problems related with this system.
OTHER OBSERVATION POSSIBLE CAUSE REMEDY
Engine does not turn over • Safety lanyard cap worn or removed • Replace/reinstall
• Safety lanyard switch or harness
damaged
• Replace
• Burnt 5 A fuse • Check wiring then replace fuse
• 5 A fuse keeps on burning • Check wiring, solenoid and MPEM
• Discharged battery • Check/clean/tighten
• Battery connections • Check/recharge
• Water/fuel hydrolock • Check, refer to section 01-04
• Starter • Check, refer to section 07-04
• Seized engine • Check/repair as needed
• Seized jet pump • Check, refer to section 08-02
Engine turns slowly • Discharged/weak battery • Check/charge/replace
• Restriction in jet pump • Check/clean pump
• Seizure in jet pump • Inspect, refer to section 08-02
• Partial engine hydrolock • Check, refer to section 01-04
• Partial engine seizure • Check compression, refer to section 03-05
• Worn starter • Check, refer to section 07-04
Engine turns over • Fuel water-contaminated • Check/siphon and refill
• Dirty fuel filter • Clean/replace
• Fouled spark plugs • Replace
• Water in engine • Check, refer to section 01-04
• Carburetion • Check, refer to section 05-04
• Ignition • Check, refer to section 07-02
• Flooded engine • Check, refer to section 05-04
– Carburetor needle valve stuck open
• Excessive rotary valve clearance • Check, refer to section 03-07
• Internal engine damage • Check, refer to section 03-05 and 03-06
• Sheared flywheel key • Check timing mark, refer to section 07-02
• Incorrect rotary valve timing • Check, refer to section 03-07
No spark at spark plugs • Faulty rev limiter • Replace M.P.E.M.
• Faulty ignition module • Replace M.P.E.M. or ignition module
depending upon the model
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