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Jeff b

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  1. Hi we are having trouble with an Atom g4 running a suzuki m18a turbo in jet boat. Originally wired up and running fine for approx 20 hours. Now is missing badly above 2000rpm, tried the simple things first, plugs, leads, coils. No change. Plugged in lap top and rpm signal seems to be going nuts and is hitting rev limiter (6900rpm) at about 2000engine rpm? We swapped out the crank angle sensor, no change. Will try cam sensor as easy check but I'm thinking it's not the issue? Does anyone have any idea what would cause the RPM input to skyrocket like this?
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