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  1. 8

    80 Johnson, 35hp won't idle or throttle up

    OK. I know I did simething I shouldn't have and now I must fix it. I removed the pressed in high speed brass pick-up tube from the carb body on a 1980, Type IV carb. I pressed it back in but I can't seem to get the motor to idle and/or throttle-up correctly. I am thinking that the high speed...
  2. 8

    Low speed idle open 5-6 turns

    I have a 1980 johnson, 35hp. After several weeks of frustration and new parts (ignition, rebuilt the carb, etc) I finally got the thing to run (really well). It starts easy, idles at low RPM (and smooth) and accelates under load just fine. Here is the confusing part. I had to adjust the slow...
  3. 8

    35 hp Vacuum Hose

    I have a 1980 Johnson 35 hp. There are three hoses in the area of the fuel pump, two for fuel and a third hose that goes from the block (were the fuel pump mounts) to the intake manifold. It looks original and cracked. I assume it is the vacuum hose which drives the pump diaphram. If it leaks...
  4. 8

    1980 35hp Johnson won't idle

    New to working on outboards -great site. I have a 1980 Johnson 35hp with a Type IV carb. It will not idle a slow rpms. I have rebuild the carb and put in new plugs. The only way I can get it to idle smooth and stay running is to set the s/s needle to 1.5 turns out, and have the throttle open...
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