Search results

  1. F

    Curious question about Johnson 150 pistons....

    I recently bought a Johnson 150 for a parts motor. The young fella I bought it from did not know much about it. The motor was on a boat he had recently purchased. He told me the compression was bad. When I went to look at the motor he had pulled the heads off of it and the heads along with the...
  2. F

    89 Johnson 150 rebuild question

    Hello again folks, I started a thread awhile back titled "Switching Powerheads". However I decided to rebuild what I had. I bought a boat with this engine on it and I knew the engine had been run hot. I have honed the cylinders, ordered one new piston and got new rings for the other pistons. I...
  3. F

    Switching powerheads

    Re: Switching powerheads Hi emdsapmgr, all of the water diverters were in bad shape and will be replaced. I am posting some more pics of what I found when taking this engine apart and where I am now. The first pic is of the piston that is the problem. It got scratched and the shavings melted...
  4. F

    Switching powerheads

    I have been lurking the forum for awhile now and would like to commend those of you for sharing the knowledge you have with those of us without the knowledge. This is my first post of what I am sure will be many more since I am one of those without the knowledge...lol. I recently bought a 1990...
Top