'76 CB200 Won't Idle (short vid inside) - Page 2
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  1. #11
    Junior Member PhatBryan's Avatar
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    Unhappy

    Quote Originally Posted by Swix76 View Post
    an easy test is to spray some sort of flammable agent like carb cleaner at the intake manifolds. If the engine changes idle (up or down), thats a clear indication of an air leak. I know that much.
    I actually sprayed carb cleaner on the manifolds at the end of that video - right when the engine died. It could have been a coincidence... but my battery also died so I couldn't keep testing. I'll give it a few more goes today.

  2. #12
    Senior Member mike in idaho's Avatar
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    Have you tried new spark plugs in it? Kinda sounds like it's only running on one cylinder.
    '65 YG1
    '65 CB160
    '66 CL160
    '67 CL77
    '68 TR6
    '69 T100R
    '69 T120R
    '72 Commando 750
    '78 XS650E
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    '81 440 LTD
    My company car is a Kenworth

  3. #13
    Junior Member PhatBryan's Avatar
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    I think that’s the next step:
    Oil change
    Float adjustment
    Spark plugs

    I sprayed some carb cleaner to check for vacuum leaks - nothing

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  5. #14
    Junior Member PhatBryan's Avatar
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    Here’s an update - it runs but it’s all over the place.
    I’m gonna try try to change the oil and replace spark plugs today

    https://youtu.be/D8arf8IV6hs

  6. #15
    Senior Member ancientdad's Avatar
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    I think Mike is right about the idle screws being in all the way, it seems you're using the choke to keep it from running away to 5000 or higher. the choke is closed in the upward position, once running the choke should be all the way down. Nice jello, BTW, almost looks like the video was done from a drone
    Tom

    Ride along at the drag strip - https://www.youtube.com/watch?v=20jFPazXlvU



    running points... because I'm too old for mysteries that begin with pushing

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