plug colour issues
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Thread: plug colour issues

  1. #1
    Member
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    plug colour issues

    question, how long approx do you have to ride to get a good plug colour because atm my left plug is brown while the right one stays white (to lean..) carbs are set up correct and are clean. plugs are new and compression equal.
    ive been driving it like this quite hard (flat out to be honest) and big clouds of blue smoke behind me and didnt seize (yet..)

    but these are really short distances, hense the question.

  2. #2
    Senior Member DenH's Avatar
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    DENIS
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    white plug equals too lean a mixture,you might have to go up a main jet size to get the same colour as the other cylinder,drive it quite hard when the engine is hot,then switch off,then check again.
    when i was young i was very indecisive,now im older im not so sure.

  3. #3
    Senior Member black nails's Avatar
    Name
    John
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    Check for air leaks, spray carb cleaner around carb mounting and body of carb, if engine revs up a bit, you have a leak. or you could be losing crankcase compression on one side, look for oil leak around crank seal.
    Best of luck!

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