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  1. C

    1979 80hp, on 15 ft skeeter. Prop?

    What pitch or prop kind should I put on this motor in order to get the best performance and that will also help me pull up a water ski?
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    The Marine Doctor

    Doc,<br />I just rebuilt two carbs on my 1979 80 hp merc. Can you give me some tips on tuning it in? Is the only adjustment the needle valve? Does srewing it in reduce fuel flow to the floats? Thanks for the help.
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    Adjusting Carberator on 79model 80hp 4cyl

    I just rebuilt both carberators on this old motor and I was curious about the adjustments. I backed the needle valve out 1.5 turns on both carb. This is how it was adjusted when I pulled them off. How do I know if they are set right? Are there any other adjustments that I need to be aware...
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    Sparkplugs 79 80hp 4cyl?

    Hey guys. What are the best sparkplugs to use on this old Mercury? Are there any special brands?
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    1979 80hp mercury runs great out of water.

    I just bought this motor. It runs great out of the water and the cylinders each show to have compression of 140 after turning the motor over several times. I put in the water and it wants to die when you put it in gear, I was able to get it going and at about 40 mph and 2 minutes later I saw...
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