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    Mercury Sport Jet 120 runs rough won’t idle

    Post update…CDMs are good. The trigger was faulty only firing #1 and # 4. All plugs firing now. Beginning to work on getting the idle smoothed out
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    Mercury Sport Jet 120 runs rough won’t idle

    I have a 1997 Sea Rayder F16 with a Mercury Sport Jet 120 (twin carbs) that starts and runs (rough) but will not idle. Compression in all cylinders is 110-120. It has a red stator. On initial fire up, it started (with throttle) and runs rough but shuts off at idle. I’m running the engine in the...
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