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  1. J

    1975 Johnson 115 cooling system

    I replaced the water pump in my 1975 Johnson 115 about 7 months ago. Just wanting to know what can make it go out that fast. I noticed that the little nets that keeps trash out of the engine is broken out. If trash has gotten into my engine how can I find out and should I search for it before...
  2. J

    Engine will not stay running

    I have a 1975 Johnson 115 outboard. I had the engine running great was starting for with no problem and all. The other week I took it out and got a tree branch stuck in my propeller. I took the tree branch out went out and fished for about an hour, but the engine was off. When I got back to the...
  3. J

    Tilt and Trim not working

    I am running a 1975 Johnson 115 on a 15ft Phantom Ski boat. I am having some problems with the tilt and trim. I just replaced the old motor with a new one and it is suppose to be a plug and play model. I have all my wires hooked back in and put fluid back in also. I am not able to get the unit...
  4. J

    1975 Johnson 115 running out of fuel to soon

    Hello I am running a 1975 Johnson 115 on a 15ft Phantom ski boat. I put 6 gallons of 93 octan gas in my tank and ran it for less than hour at about 5rpms the entire time and it was done. Is this suppose to be happening or do I have a problem? The engine starts up and runs great with out a...
  5. J

    Water leaking from in between upper and lower unit

    I have a 1975 Johnson 115, there is water shooting out of the sides of the lower unit. It is coming from where the lower and upper unit connects. I have already changed the water pump and I have changed the seal that goes around that exhaust port. The manual is not calling for a seal to go in...
  6. J

    Primer bulb is not getting stiff

    I have a 75 Johnson 115 and I cannot get the primer bulb to get hard. I changed out the main fuel line, checked the fuel stem that is inside of the tank to make sure there were no holes or cracks in it, put on a new primer bulb with new lines. I bought the boat about a month ago and at first the...
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