Engine Will Not Start
OTHER OBSERVATION POSSIBLE CAUSE REMEDY
Safety lanyard removed.
Install cap over post.
EMS ECU does not
recognize the safety
lanyard.
Refer to an authorized
Sea-Doo dealer.
Turned over watercraft.
Refer to CAPSIZED
WATERCRAFT in SPECIAL
PROCEDURES.
Burnt fuse: main, electric
starter, MPEM or EMS ECU.
Check wiring then replace
fuse(s).
Discharged battery.
Battery connections,
corroded or loose.
Refer to an authorized
Sea-Doo dealer.
Water-flooded engine.
Refer to WATER-FLOODED
ENGINE in SPECIAL
PROCEDURES.
Faulty sensor, MPEM or
EMS ECU.
Seized engine.
Refer to an authorized
Sea-Doo dealer.
Engine does not turn over.
Seized jet pump. Try to clean. Otherwise,
refer to an authorized
Sea-Doo dealer.
Loose battery cable
connections.
Check/clean/tighten.
Discharged or weak battery.
Engine turns slowly.
Worn starter.
Refer to an authorized
Sea-Doo dealer.
Fuel tank empty or
water-contaminated.
Refill. Siphon and fill with
fresh fuel.
Fouled/defective spark
plugs.
Replace.
Fuel-flooded engine.
Refer to FUEL-FLOODED
ENGINE in SPECIAL
PROCEDURES.
Water-flooded engine.
Refer to WATER-FLOODED
ENGINE in SPECIAL
PROCEDURES.
Faulty component in
the engine management
system or faulty connection.
Refer to an authorized
Sea-Doo dealer.
Disconnected or faulty fuel
pump.
Try reconnecting fuel pump
connector. Refer to an
authorized Sea-Doo dealer.
Engine turns normally.
Blown fuse.
Check wiring then replace
fuse(s).
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