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  1. 1

    1971 Merc 400 Inconsistant running

    Went out last night to catch some Walleye and it gave me fitts getting it started, when it finnaly started it ran good ,but some times it seemed like it would run out of gas. The ball would stay hard , but if I would move the hose it would run fine again. The fuel line is about 6' long ,and the...
  2. 1

    Spark Plug Wire Replacing

    I have a 1971 40HP Merc. 400, the plug wires are cracked, and can see them arcing. How do I remove them ? I tried pulling them but am affraid to damage to the distributor , do they screw in? If they do, what direction do I turn them to loosen them ?
  3. 1

    40HP 2cyl Merc ser.#3121898

    Last year I had the Stator & coil replaced because of no fire. This year am having starting problems, and running at idle. I changed the plugs NGK BUHW-2, are these the correct plugs? If they are what should my next step be? I was thinking that the carb needs some work, if any-body has some...
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