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    High altitude carburetor tuning

    "I have a 1988 200 horizon fou "I have a 1988 200 horizon four winns with a gm 5.0 liter engine and cobra outdrive, we brought this boat over from the east coast at 0 elevation to park city,ut at 6,000 elevation and the boat is just running like dog, no hole shot etc. I changed props to a 14...
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