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GS450 fuel mixture

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    GS450 fuel mixture

    I have noticed that the spark plugs in my GS450 have a different colour. The LHS plug is noticeably darker in colour. The bike is going well and the idle is steady once it warms up. I have checked the sparks and they both look good. Compression is 150 (right) and 160 (left). Another thing I have noticed is that the LHS header and exhaust run hotter than the other side which is funny as its plug indicates that it is the one running richer. Thanks for any help.
    1981 GS450

    #2
    Which carb has the petcock vacuum line fitting?
    1981 gs650L

    "We are all born ignorant, but you have to work hard to stay stupid" Ben Franklin

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      #3
      Good question. I'll have to check on that. Tks
      1981 GS450

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