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    Trouble rebuilding 89 40 horse fuel pump??

    I am having some issues rebuilding my 40 horse mercury four cylinder. It's the square black pump. I have taken it apart and ound my new kit does not come with the rubber 'valves'? But instead has plastic washer sort of discs, are they supposed to replace these? I bought mercury kit number...
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    '88 XR4 150hp stops turning over, crank locks up

    Just bought a Winner bass boat with a 88 XR4 on it. Installed a new battery, has not been run in over a year. I first removed the plugs, oiled it down. Not worried about the fuel system now, but when cranking it over, may crank over three of four revolutions then stop dead in its track. I have...
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    89 Merc 40 Classic filling carbs with oil-Help

    I've got a 1989 Merc 40 horse classic, if it sits for a few weeks, the carbs are filled with oil causing a no start. I loosen the lower bowl screws, drain the oil out of both carbs and bingo it runs great. It has a new oil tank on it and the carbs have been rebuilt. Does anyone have an idea? I'm...
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    Which prop? Please help me.

    I am trying to find out what prop to use without spending a fortune buying them. I have a 1968 Starcraft tri hull fiberglass fishing boat 15.5' long. I just bought a 1989 Mercury 4 cylinder 40 horse classic that came from a 20 foot pontoon boat. The owner says the prop on it will probably not...
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    58 Big Twin 35 Rude - Ignition Woes Continue

    Hello all, I'm still having ignition troubles with my big twin. I have replaced the points/condenser/coils/ignition wires/breaker plate wiring to find out I am losing spark on one cylinder when I accelerate. It's misfiring at idle as well, just not as noticable. It will not accelerate on the...
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    89 Merc 40hp classic Good Motor?? Need Advice

    Hello all, I have a 1968 Starcraft fiberglass 16 footer that came with a 1958 evinrude 35 big twin. I'm having problems with this engine due to a faulty ignition problem. However someone locally has a 1989 Mercury Classis 40 horsepower motor for sale. The carbs were rebuilt and a new impeller...
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    Wiring Problems '58 35 horse evinrude

    Well I took the boat out this weekend and had great luck with it at first. I started loosing power and running rough,then found as I tried to shut off the motor I was only killing one cylinder as it was still running; although roughly. I had to goose it and return to shut off, but what I think...
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    35 big twin carb. flooding?!?!?!

    Hello, Me again, seems like I have gotten the points/coils right. I've had it running but it keeps flooding, to the point that the gas runs straight out of the front air housing. I have taken the carb apart, replaced the needle and seat and set the new float. It started, shut down, tried to...
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    58 big twin 35 point setting?

    Hello all, I'm replacing the coils,points , condensers and plugs on my big twin. The only manual I have covers a mid sixties forty horsepower. Where do I align the flywheel to set the point gap? It is a generic manual and does not show any reference points, I see that there are marks on the...
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    1958 Evinrude big twin 35 oil leaks, coil problems

    :DI have two questions about my 1958 Evinrude big twin 35 horse. First I want to know if I can access my coils and points under the flywheel and if there is a special puller needed or a special trick to it? I am a professional mechanic, but not an outboard mechanic. What would the points be set...
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