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    Mercruiser 170 acting flaky when warm

    I have an 86 22 foot Thompson 215 Carrera with a Mercruiser 170 (225 CI I/O) and the other day I was running about 3500 RPM for about 25 minutes when it suddenly acted like it had lost all power and started slowing down. Once I throttled back and sat tight idling for a minute it ran fine again...
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