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Charles, Marine Mechanic
Category: Boat
Satisfied Customers: 3861
Experience:  US Navy (Ret) Certified Mercury Marine Tech with over a decade of repair experience.
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2006 yamaha 9.9 4 stroke, no spark. Have changed charge coil

Customer Question

2006 yamaha 9.9 4 stroke, no spark.
Have changed charge coil under fly wheel but still no spark, had electrician look at rest of wiring and all seems fine, still no spark.
Any help much appreciated.
Submitted: 1 year ago.
Category: Boat
Expert:  Charles replied 1 year ago.

Hello, my name is***** will assist you.

Disconnect the kill switch at the front of the engine. The wires from it lead the the CDI, If you remove the switch from the circuit and still have no spark, the CDI is the bad part.

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