
86
Engine Will Not Start
OTHER OBSERVATION POSSIBLE CAUSE REMEDY
Engine does not turn over.
• 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.
Refer to an authorized Sea-Doo
dealer.
• 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.
Refer to an authorized Sea-Doo
dealer.
• Seized engine.
Refer to an authorized Sea-Doo
dealer.
• Seized jet pump.
Try to clean. Otherwise, refer to
an authorized Sea-Doo dealer.
Engine turns slowly.
• Loose battery cable
connections.
Check/clean/tighten.
• Discharged or weak battery.
Refer to an authorized Sea-Doo
dealer.
• Worn starter.
Refer to an authorized Sea-Doo
dealer.
Engine turns normally.
• 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.
• Blown fuse.
Check wiring then replace
fuse(s).
smo2004-001a.book Page 86 Monday, March 31, 2003 12:17 PM
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