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  1. S

    RD-25D 40 HP reconditioning

    I will pop flywheel off and check it out, thanks
  2. S

    RD-25D 40 HP reconditioning

    So I thought I was on the right path. Got spark on both cylinders. Decided to try and see if i could get it to pop off. So put a little fuel directly in the carb, cranked it over and it popped off for brief second , so I added a tad more fuel and cranked. But this time it popped of but than it...
  3. S

    RD-25D 40 HP reconditioning

    Got it, that makes sense.
  4. S

    RD-25D 40 HP reconditioning

    I have an extra set of 8.5 mm MSD wires for a SBC , any reason I couldn't use these?
  5. S

    RD-25D 40 HP reconditioning

    Haven't gotten any testing done yet. So far just started a list of parts that I need to replace. Going to pull carb and let it soak for a couple days before a rebuild. Thanks for info on Ignition system. I will update with status after parts start to roll in.
  6. S

    RD-25D 40 HP reconditioning

    Well since the boat hasn't seen a body of water since the early 90s at the latest. I am guessing I will be making several trips to a test pond for trial and error outings
  7. S

    RD-25D 40 HP reconditioning

    So pulled the starter off, gave it some TLC and got it functioning like new. Than was able to do a proper compression test. Got 95 psi on both lower and upper cylinders. After compression test I put a little mineral oil in cylinders to let it soak for a couple days.
  8. S

    RD-25D 40 HP reconditioning

    That service manual link helped a ton. Looks like I have a huge amount of reading but tons of information. Pictures and video showed up this time. Im getting pretty excited to get working on this motor.
  9. S

    RD-25D 40 HP reconditioning

    Awesome, appreciate the information! Article will definately be a help.
  10. S

    RD-25D 40 HP reconditioning

    I have what I determined to be a 1963 Johnson 40 HP Super sea-horse outboard motor. It hasn't ran in ~30 years and I am wanting to get it up and running to put on a father son boat project. I am not to familar with boat motors but have wrenched on about everything else. I got it dug out and on a...
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