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    Old Engine New Plastic "Baloon" Tank Problems

    Man I HATE plastic gas tanks! I got this old free boat and it has a '70's Mercury 70hp engine on it. I've posted a few times with various questions on fixing it. Maybe this ought to be in another forum since it's more tank related than Mercury related but I wasn't sure so sorry if so. Anyway...
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    70 HP Mercury 700 2 Stroke runs rough with cowl installed

    I have a 70hp (3 cyl, 2 stroke) Mercury 700, serial number 4830257. You guys helped me a bunch last year getting it running. Last year I got the timing set pretty well. Also last year I rebuilt the fuel pump and carbs. We've had it out a few times and it sometimes runs good and sometimes runs...
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    1978 Mercury 700 Spark Plug Wire Replacement

    Another question on my old 1978 3 cyl 70 Mercury Outboard While I have it apart I thought I would replace the spark plug wires. The work but are old and don't look so great. I figured the coil end would just pull out. I pulled and it does not seem to come out. I tried all three thinking maybe...
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    1978 Mercury 700 Won't Start After Much Updating

    Lurked some over time but first post. We got a "free" boat with a Mercury 700 outboard, Serial Number 4830257, 3 cyl, USA made in 1978 I think. My son and I have been enjoying the project of trying to restore the thing. I picked up a service manual on ebay so have been using that. The...
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