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    Prop question

    The setup; I have a new 20 ft glastron bowrider, 4.3EFI MPI Mercrusier with the Alpha 1 drive, recommended WOT is 4400-4800 rpm. The boat came propped with a 14.5x19 pitch alum. We typically will only have 3-4 people at any given outing. The 19pitch aluminum prop easily hits 6800 rpms, well...
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    Starting issues with my Mercruiser 4.3 MPI 220hp with Alpha 1 outdrive

    I have a 2013 Mercruiser 4.3 MPI 220hp that has a starting issue: We can ski-tube and run around the lake for hours, turning it on and off while changing out skiers it performs flawlessly - but when we stop to get in the water for a hour or so and then begin to do more skiing the engine, at...
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    water/fuel seperator

    1994 Mariner, 175hp efi outboard. Picked up boat from repair shop over winter. Prepping for spring and was looking at the water / fuel seperator and noted two hoses that are not connected to anything. Have not had it on the water yet, but it does start and idles fine. Does anyone know if these...
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    Bad ECU on a 94' 175efi mariner

    Boat would start, would idle for awhile then run itself out of gas, after many months and many parts(shop covered cost of parts). A bad ECU(the brain of the motor) was at fault (expensive item!). Boat now runs like brand new. Was told that these rarely go bad, and that it couldn't be the...
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