Search results

  1. A

    Motor is misfiring between 2000-3000 rpms

    my 1972 65HP johnson is misfiring at mid range roughly between 2000 and 3000 rpms. runs pretty good at idle and WOT and all other rpms in between(except for the range i stated above.) ive cleaned all the carbs, new plugs, new coils w/ wires, etc. could this be a tuning issue? i took it out...
  2. A

    1972 65HP Johnson spits, sputters, and or misfires at mid range

    my 1972 65HP johnson is misfiring at mid range roughly between 2000 and 3000 rpms. runs pretty good at idle and WOT and all other rpms in between(except for the range i stated above.) ive cleaned all the carbs, new plugs, new coils w/ wires, etc. could this be a tuning issue? i took it out...
  3. A

    1972 65HP Johnson control box

    When i purchased my boat, the guy i bought it from told me that the boat would not go into neutral by using the lever from the control box. He told me there was a pin in the control box that had broke. What he did, was wire a toggle switch to use to put the motor in neutral or forward. this...
  4. A

    1972 65HP Johnson control box

    When i purchased my boat, the guy i bought it from told me that the boat would not go into neutral by using the lever from the control box. He told me there was a pin in the control box that had broke. What he did, was wire a toggle switch to use to put the motor in neutral or forward. this...
  5. A

    1972 65HP Johnson low RPM's in gear

    Hi all, my 1972 65hp johnson outboard is having issues in gear. While under load the motor wont go above 2500 - 3000 rpms. In neutral i can easily get the rpms higher. It has done this before, and sometimes didnt do it at all. before, i was able to put take it out of gear, rev the motor a...
  6. A

    Fuel Recommendations?

    Just kinda curious what octane I should be running. 1972 Johnson Seahorse 65hp 3cyl. I currently and running 87 octane with an enzyme fuel treatment that is supposed to cure and prevent ethanol problems. Should I continue to run the 87 octane and add this fuel treatment, or should i be...
  7. A

    1972 Johnson carb question

    does anyone know what height the floats should be adjusted to on the carburetors from a 1972 Johnson 65HP? thanks for the help
  8. A

    1972 65HP Johnson starting / idling issues

    I have yet to not get my 72 65hp johnson started but most of the time it is stubborn. When i choke the motor it will not start at all and just floods the carbs to the point where they are dripping fuel from each intake. To get it started i have to leave it un-choked with the throttle plates...
Top