BOMBARDIER SEA-DOO SPX 5838 1998 Shop Manual page 44

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