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  1. F

    Coil wiring

    4.3 mercruiser, 2000yr, thunderbolt ignition. No spark. new block and we are putting all the wiring back on. What wires attach to the coil. 12v to + terminal, what wire attaches to the - terminal. engine is out of the boat on a stand, we are cranking with 5 6 and 7 at the harness connector...
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    mercruiser repower PS hitting y-pipe

    I am replacing the V6 with a V8 350. I was installing the y pipe today and it is hitting the power steering assembly. I need about 3/8 to 1/5 inch clearance to connect it to the elbow. Is there a power steering system with a smaller footprint that mounts to the transom assembly.
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    how do you remove oil pan on a T50TLRC

    I have a T50 that is leaking oil at the oil pan seal. does anyone know how to remove the oil pan . Other than removing the engine from the tilt trim assembly I have taken every bolt out that hold the midsection to the powerhead. I have ordered the service manual from Yamaha. Is there anyone...
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    No start after shut down

    I am working on a 1980's twin inboard Mercruiser 305 thru hull. I suspect a bad fuel pump (mechanica type)...at WOT for several minutes strbd engine shuts down ....however turning the ignition key to restart we get nothing as if the NSW is keeping the the ignition from working, can the NSW get...
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