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    Starter brushes so clogged with grease that they weren't spring loaded anymore

    Starter brushes so clogged with grease that they weren't spring loaded any more! Before I realized this I had replaced all the wiring (bar the two short one on the starter but their resistance was good.) This seem to fix the problem for about 5 minutes but it was back to the usual slow...
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    Outboard only starts after manual priming of cylinders

    Outboard only starts after manual priming as in pouring some fuel into the cylinders. Mercury 402 (year 1974) Ran perfectly after I did this last week, not sure why, Fuel pump rebuilt, Carb cleaned although hasn't been rebuilt, 99% sure that the fuel bowl was full. Compression check was good...
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    Fuel Line Connection Size (photo)

    Hi A quick question on fuel NPT sizes. Have purchased the wrong sizes from the U.S. before for a different project. I'm from across the pond (Ireland) Could someone let me know what size to order thanks
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    Just got first boat: can't start outboard

    Hey, I got my first boat a few weeks ago and itchin' to get out on the water. Cant get the outboard started; 1974 Mercury 402, 40hp So far i've checked the compression 142 on each cylinder replaced one of the coils and installed new wiring from the switchbox to the coils. Removed...
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    Just Got first boat; Shift Shaft Question

    Hi all I've just got my first boat, Mercury (year 1974) 402 Have a question on the shift shaft linkage mine does nothing when I move the lever, the arm under the carburetor rotates, (have carb removed for cleaning) Have the lower unit set to neutral, the tapered cam towards to bow. Is it...
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    Just Got first boat; Fue Tank Vent Question

    Hi just got my first boat. been reading up on fuel tank vents; my steel tank has no vent, should it? Motor is a Mercury 402 40 hp (year 1974) Similar to the one below
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    Bought first boat last week: starter stays spinning after disengaging on start up

    Hi all New to the forum and boating...... Have a question regarding the starter motor on a outboard: Mercury 402 (year 1974); starter stays spinning after disengaging on start up is this correct thanks
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