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  1. Z

    Calibrating mixture lever on 50s 7.5 hp seahorse?

    I just replaced the coils on my old 7.5 hp motor thanks to some suggestions from a few weeks back. The motor definitely runs better. I had it running well, but had a hard time getting the motor to wind out a bit. even at full throttle it wasn't doing much. I started adjusting the lean/rich...
  2. Z

    50s 7.5 hp, problem staying running

    I have a 50s era Johnson 7.5 hp AD-11 motor. It starts fairly easy when cold. It will run at half throttle for a while, then seems like the throttle goes up and it dies. It usually starts up again, runs for a bit then dies. Once it is hot it doesn't like to start. I have a copy of the parts...
  3. Z

    Information needed on older 5 hp sears outboard

    I am looking for some help trying to figure out who the manufacturer is of my old sears outboard. I've got the prop apart and need to buy a new prop and shaft for it. The tag on the motor says T-643-15A and 6523582. There is also a plate below it that has 153244 stamped in it. Someone years...
  4. Z

    Prop shaft removal on older 5hp sears outboard??

    Hello, I had problems removing the old prop. So in doing so I accidentally broke the end of the shaft with the threads on it. So now I have the whole bottom section disassembled. Below are pictures of what I have: Does anyone know how I remove the shaft that the prop was on?? It looks...
  5. Z

    Sources for vintage parts

    I have an old Johnson Outboard. AD-11 to be exact. From some research it looks like it is from 1957 and it is 7.5 hp. I disassembled the motor today to remove the shift handle. It broke at the base. I am trying to repair it, but it is so small and delicate, I don't think any brazing will...
  6. Z

    Removing Gear Shift lever on AD-11 7.5 HP

    Hello, I am new the forum. I have an old Johnson 7.5 HP. It is model no AD-11. I want to get my 15' boat out this spring and go fishing. My problem is the shift lever on the motor broke off several years back and I want to fix it. I tried using JB weld, but that didn't work. The handle is...
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