40 HP 4 Stroke won't start

poqcrabby

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Sep 16, 2010
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I have a 200 40 hp yamaha 4 stroke that won't start. My problem started with the engine running great at idle but would shut off and alarm would sound when at full throttle. I t now won't start at all. I'm thinking it's a CDI problem but don't want to fork out the bucks until I'm pretty sure that's it. I've already checked the safety kill switch and it is working properly. Please help
 
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