Sea-doo Challenger 5896, Shop Manual

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03-00-3
Section 03 TROUBLESHOOTING
ENGINE MISFIRES, RUNS IRREGULARLY
ENGINE OVERHEATS
OTHER OBSERVATION POSSIBLE CAUSE REMEDY
Weak spark • Fouled, defective, worn spark plugs • Check / verify heat range / gap /replace
• Faulty MPEM or start / stop switch • Check, refer to section 08-05
• Faulty ignition • Check, refer to section 08-03
• Sheared flywheel key • Check timing mark, refer to section08-
03
Lean fuel mixture
Dry spark plug (except when water
fouled)
• Fuel level low • Check / refill
• Stale or water fouled fuel • Check / siphon and refill
• Fuel filter dirty or restricted • Check / clean / replace
• Carburetion dirty or out of adjustment • Check / clean / adjust, refer to section
06-03
• Leaking crankshaft seal(s), rotary valve
cover O-ring(s)
• Check / test / replace, refer to engine
section 04-04 and 04-05
• Fuel valve restricted or partially opened • Check / replace / turn fully ON
• Loose carburetor • Tighten carburetor(s)
Rich fuel mixture
Fouled spark plug • Partially closed choke • Check / adjust choke cable
• Flame arrester dirty or restricted • Check / clean / replace
• Carburetor adjustment or setting • Check / clean / adjust, refer to section
06-03
• Main jet loose • Check, refer to section 06-03
• Main jet O-ring damage • Check / replace, refer to section 06-03
• Rotary valve shaft seal leaking • Check / replace, refer to section 04-05
• Oil pump adjustment • Check / adjust, refer to section 07-02
• Boat transportation • Turn fuel valve to OFF
• Worn needle(s) and seat(s) • Check, refer to section 06-03
• Excessive rotary valve clearance • Check, refer to section 04-05
Difficult to start • Incorrect rotary valve timing • Check / adjust, refer to section 04-05
• Excessive rotary valve clearance • Check, refer to section 04-05
OTHER OBSERVATION POSSIBLE CAUSE REMEDY
Monitoring beeper continuously sounds • Restricted jet pump water intake • Check / clean
• Cooling system restriction • Check / flush, refer to section 02-02
• Grounded temperature sensor or sen-
sor wire
• Check / repair / replace