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    Let's see your CB750

    My 79 CB750k, fixed it up about 7 years ago, works great.
  2. B

    1979 CB750K Cyl #3 Plug fouled, black soot

    Thanks for the reply, that makes sense. I put a scope in the cylinder last night and from what I could see it's full of carbon deposits. I'll pull the header off like you said to see how much I can clean it and recheck the clearances. The bike also sat last year so you're likely right on point...
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    1979 CB750K Cyl #3 Plug fouled, black soot

    Hi all, I have an issue with cylinder #3 plug getting fouled at idle with black soot, not wet with gas, dry soot. - plugs 1,2,4 look good with a tan brown color, not lean or rich. - carbs were sync. and the mixture screws are at 2 turns for all 4. The bike actually likes 3 turns for all four...
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    Let's see your CB750

    Finished this last winter and drove it this past summer. Love my ride!
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