• Enter the April CB750 Supply gift certificate giveaway! It's easy... Click here, post something, and you're entered into the drawing!

Recent content by jwing

  1. J

    CB750SUPPLY MAY 2023 GIVEAWAY STARTS NOW - RE

    I’m in!
  2. J

    Cyl. #2 fouling help

    Thanks for the input. All good points. I do have newer valve guide seals, but that’s not to say one isn’t cracked already. My initial thought was valve guides, so I’ll do some further inspection once I pull the head. Good point on restoring vacuum in the cylinders and the excessive fuel. It’s...
  3. J

    Cyl. #2 fouling help

    Good question! I did check for spark when I replaced the plugs and coils. However, I didn’t check with one of those in-line testers to make sure it’s getting spark under compression. And I don’t recall if I really compared the spark to the other plugs to make sure it was truly strong. That’s my...
  4. J

    Cyl. #2 fouling help

    Hoping to get some input on an issue I’m having with my ‘81 CB750k. Running stock airbox with 4into1 exhaust. I believe it has about 20k miles on it. Seems to be missing on cylinder 2. She smokes pretty bad (blue) out of the exhaust on deceleration. Spark plug is fouled. Here’s what I’ve done...
  5. J

    Ignition coil issue?

    I have a 1981 CB750k that has some hesitation and sputtering under high load, and I’m also continuously getting a black plug on cylinder #2 (even after new plugs). It seems to start up and idle fine, and even runs pretty good for the most part. Cylinder 2 is getting hot right away on startup...
Back
Top