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VM carburetor fine tuning

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    #16
    20171021_002200.jpg

    I had a hard time getting this to show up in a picture. I went for a ride after re adjusting the mixture screws again and all four spark plugs have varying levels of this sulfur colored powder on the inside wall of the plug. This one was the worst. Anyone know what it is?
    The current garage:
    1978 GS750
    1975 GT750M
    1984 CB700SC
    1982 XJ650 Seca Turbo
    1975 RD250 - 350 conversion

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      #17
      Heres some info. Spend the money on a Colortune. You'll use it many times especially when doing a rebuild if the bike sets a while and the carbs need refreshed and cleaned out again.


      MY BIKES..1977 GS 750 B, 1978 GS 1000 C (X2)
      1978 GS 1000 E, 1979 GS 1000 S, 1973 Yamaha TX 750, 1977 Kawasaki KZ 650B1, 1975 Honda GL1000 Goldwing, 1983 CB 650SC Nighthawk, 1972 Honda CB 350K4, 74 Honda CB550

      NEVER SNEAK UP ON A SLEEPING DOG..NOT EVEN YOUR OWN.


      I would rather trust my bike to a "QUACK" that KNOWS how to fix it rather than a book worm that THINKS HE KNOWS how to fix it.

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