Technical guidelines, Engine will not start, Engine turns slowly – Ski-Doo WAKE Series User Manual
Page 116: Engine turns normally but will not start

TECHNICAL GUIDELINES
ENGINE WILL NOT START
1. DESS key removed.
– Install DESS key over post.
2. ECM does not recognize the DESS key.
– Refer to an authorized Sea-Doo dealer.
3. Burnt fuse: main, electric starter or ECM.
– Check wiring then replace fuse(s).
4. Discharged battery.
– Refer to an authorized Sea-Doo dealer.
WARNING
Do not charge or boost the battery while installed on the watercraft. Elec-
trolyte is poisonous and dangerous. Avoid contact with eyes, skin and
clothing.
5. Battery connections, corroded or loose. Bad ground.
– Refer to an authorized Sea-Doo dealer.
6. Water-flooded engine.
– Refer to WATER-FLOODED ENGINE in SPECIAL PROCEDURES.
7. Faulty sensor or ECM.
– Refer to an authorized Sea-Doo dealer.
8. Seized jet pump.
– Try to clean. Otherwise, refer to an authorized Sea-Doo dealer.
ENGINE TURNS SLOWLY
1. Loose battery cable connections.
– Check/clean/tighten.
2. Discharged or weak battery.
– Refer to an authorized Sea-Doo dealer.
3. Worn starter.
– Refer to an authorized Sea-Doo dealer.
ENGINE TURNS NORMALLY BUT WILL NOT START
1. Fuel tank empty or water-contaminated.
– Refill. Siphon and fill with fresh fuel.
2. Fouled/defective spark plugs.
– Replace.
3. Blown fuse.
– Check wiring then replace fuse(s).
4. Water-flooded engine.
– Refer to WATER-FLOODED ENGINE in SPECIAL PROCEDURES.
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