Bombardier SeaDoo 1996 factory shop manual, Page 40Get this manual
Section 03
TROUBLESHOOTING
ENGINE MISFIRES, RUNS IRREGULARLY
OTHER OBSERVATION
Weak spark
POSSIBLE CAUSE
Fouled, defective, worn spark plugs Faulty rev limiter or ignition Sheared flywheel key
Checkverify heat rangegapreplace Check, refer to section 08-02 Check timing mark, refer to section 08-02 Checkrefill Checksiphon and refill Checkcleanreplace Checkcleanadjust, refer to section 06-03
Lean fuel mixture Dry spark plug (except when water fouled)
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 Checktestreplace, refer to engine section 04-03 and 04-04 valve cover Restricted fuel valve Loose carburetor Rich fuel mixture Fouled spark plug Partially closed choke Flame arrester dirty or restricted Carburetor adjustment or setting Loose main jet Rotary valve shaft seal leaking Oil pump adjustment Worn needle(s) and seal(s) Excessive rotary valve clearance Difficult to start Incorrect rotary valve timing Excessive rotary valve clearance Checkadjust, refer to section 04-04 Check, refer to section 04-04