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  1. Z

    '1986 4.3L dies at half-throttle

    Hello all- I have a 1986 Mark Twain 17.5 ft ski boat with the 4.3L OMC engine. this boat starts easily and idles great. After idling away from the dock, I start increasing throttle to about half-throttle. The bow rises and almost gets on plane. Then, the engine suddenly dies and I get an...
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