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  1. Berdink

    What powers your holiday?

    I know this is an old thread, but a thread like this shouldn't close, should it? . My 1967 18 foot Holiday had a 1984 Suzuki DT75 (2-stroke) 260# outboard, and it planed easily and maxed out about 33 mph with three 200# guys. With it and my 2010 Yamaha 9.9 4-stroke the drain holes at the bottom...
  2. Berdink

    Sputtering Johnson V4 90hp - 1994

    I had it in a 55 gallon drum cut in half one of the runs. I'll use a drum this coming next time. I'll see how it sounds with my latest cleaning and post the video here. Probably Thursday afternoon/evening PST.
  3. Berdink

    Sputtering Johnson V4 90hp - 1994

    Hey! were COX Cars and Planes 2-Stroke? I loved the smell of their exhaust. 😊
  4. Berdink

    Sputtering Johnson V4 90hp - 1994

    I do appreciate all the help. I got myself through upgrading my 65 Chevy to power steering, power disc brakes and an Automatic Transmission with the help of a classic truck forum. . When I was younger, with my motorcycles and vehicles, I always had my uncle, my grandpa, and my dad to help me...
  5. Berdink

    Sputtering Johnson V4 90hp - 1994

    Thanks, Yes, I had a Yamaha 80 when I was 8. Then a Suzuki RM80 until 1979, then a Husqvarna 250.
  6. Berdink

    Sputtering Johnson V4 90hp - 1994

    I found a video I made earlier soon after the seafoam. You can hear the sputtering throughout the video.
  7. Berdink

    Sputtering Johnson V4 90hp - 1994

    . Yeah, my 1984 Suzuki DT 75 was a 2-stroke. And my 1984 Mercury 7.5. And this new to me motor ran how I expected it when I went to look at it and when I got it home. It's definitely not running right since the seafoam. . Let's hope this last cleaning of the carburetors does it. Either way, I'm...
  8. Berdink

    Sputtering Johnson V4 90hp - 1994

    I've got a DVA on order so I can verify all ignition parts. I just want to rule all out. I'll be doing another compression test tomorrow. I'm kind of approaching this like a service checkup. Just checking everything. May not be needed, but I'm also ordering new spark plug wires.
  9. Berdink

    Sputtering Johnson V4 90hp - 1994

    I only replaced them a few days ago. I wanted to make sure all 'carbon' went on the old plugs. But yes, I'll check them again and upload a picture here tomorrow.
  10. Berdink

    Sputtering Johnson V4 90hp - 1994

    Yes, but it only started running rough after the seafoam. But yes, I will get those parts on there.
  11. Berdink

    Sputtering Johnson V4 90hp - 1994

    I put in new spark plugs since seafoaming.
  12. Berdink

    Sputtering Johnson V4 90hp - 1994

    I think the seafoam dislodged something. This second cleaning I may have resolved it - hopefully. I won't be able put it back together and start it until tomorrow evening. . I'll video it for how it runs so you guys can hear and maybe better demonstrate the possible issue.
  13. Berdink

    Sputtering Johnson V4 90hp - 1994

    Yeah, when I first went to look at it to buy it, it ran fine. The videos above are when I first got it home. It ran nice then too. Then I did a seafoam shock treatment, and then it started running rough. I'll try to get a video of how it runs poorly now.
  14. Berdink

    Sputtering Johnson V4 90hp - 1994

    If I didn't mention it, once I get it running again I'll look it over in the dark for any arcing.
  15. Berdink

    Sputtering Johnson V4 90hp - 1994

    What do you mean?
  16. Berdink

    Sputtering Johnson V4 90hp - 1994

    Good eye! Yes, I have that in my cart for next order - along with the roller on the upper linkage. 😊
  17. Berdink

    Sputtering Johnson V4 90hp - 1994

    Here is the same time as the video above - when I first got it home and before seafoam. . . I'll see if I can get a video Wednesday for how it's running now.
  18. Berdink

    Sputtering Johnson V4 90hp - 1994

    I forgot I had a YouTube channel for when I was working on my 65 C10. . Here is a video of the Johnson running when I first got it home last week before I did seafoam - before it started running rough:
  19. Berdink

    Sputtering Johnson V4 90hp - 1994

    This time I took out the 2 small jets in the two outer small holes in the fuel bowl. They looked clean, but I still ran a small wire through the jets and blew through them and the holes with carb cleaner. Every hole I blew through, I made sure cleaner was blowing out the other side. I also made...
  20. Berdink

    Sputtering Johnson V4 90hp - 1994

    They were nice and clean under there.
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