BOMBARDIER SEA-DOO GS 5626 1998, Shop Manual, Page: 44 / 426

Section 03 TROUBLESHOOTING
Subsection 01 (TROUBLESHOOTING CHART)
03-01-2
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 rev limiter or ignition module • Check, refer to subsection 08-02
• Sheared flywheel key • Check timing mark, refer to subsection
08-02
Lean fuel mixture
Dry spark plug (except when
water fouled) • Low fuel level • 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 subsection
06-04
• Leaking crankshaft seal(s), intake or rotary
valve cover O-ring
• Pressure check engine, refer to subsection
04-02
• Restricted fuel valve • Check/replace
• Loose carburetor • Tighten carburetor(s)
Rich fuel mixture
Fouled spark plug • Partially closed choke • Check/adjust choke cable
• Flame arrester dirty or restricted • Check/replace
• Carburetor adjustment • Check/adjust, refer to subsection 06-04
• Loose main jet • Check, refer to subsection 06-04
• Rotary valve shaft seal leaking
(if applicable)
• Check/replace, refer to subsection 04-07
• Oil pump adjustment • Check/adjust, refer to subsection07-03
• Worn needle(s) and seal(s) • Check, refer to subsection 06-04
• Excessive rotary valve clearance
(if applicable)
• Check, refer to subsection04-07
Difficult to start • Incorrect rotary valve timing (if applicable) • Check/adjust, refer to subsection 04-07
• Excessive rotary valve clearance
(if applicable)
• Check, refer to subsection 04-07
OTHER OBSERVATION POSSIBLE CAUSE REMEDY
Monitoring beeper sounds
continuously • Restricted jet pump water intake • Check/clean
• Cooling system restriction • Check/flush, refer to subsection 02-03
• Grounded temperature sensor or sensor
wire
• Check/repair/replace