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  1. J

    Bought a 1983 18 hp Mercury outboard, was supposed to run, but had no spark had to replace all electronics except for the trigger. Then good spark

    Bought a1983 Mercury 18 hp had to replace nearly all of electronics to get spark. have good spark and compression of 140 & 150 lbs I went ahead and cleaned the carburetor with carb cleaner. Spayed it into all passages and checked needle valve and float both looked good. Put it all back together...
  2. J

    What part is this ?

    I took a 1986 4 HP Mercury outboards Prop shaft out to replace the oil seal and O ring. when cleaning out the leftover gear oil in the housing I found up under the front gears a solid piece of metal. It wasn't something that broke off somewhere, it looks like a plug of some kind with a slight...
  3. J

    2 hp Johnson: My 2 HP Johnson is a model 2R78R a 1978

    I was able to get the lower crankshaft bearing housing off by tapping a small screwdriver into where the gasket is and working my way around it until it finally came off. You have to be careful not to loose the needle bearings out of the top, make sure your in a clean area and put like a sheet...
  4. J

    1972 Johnson 25 HP no spark

    I bought a 1972 25 HP Johnson outboard and can't get any spark, it has about 110 lbs of compression in both cylinders. It also has a tiller and remote wiring coming out of the front of it and another wire someone ran out the right side of it and I think that is for the electric choke. What do I...
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