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  1. #1

    Fouled with black dry soot. Why?

    My 1994 Sl 750 center cyclinder fouls out after a short time with a black dry soot. Other two cyclinders seem to fire ok. What is the problem?

  2. #2
    She likes the bike. But the ski gets her wet!!!! xlint89's Avatar
    Join Date
    Oct 2006
    Cleveland OH
    Black dry soot is usually running lean. Back that cyls. carb adj. screw out a 1/8" at a time until it's light brown. You should read in the tech section for tuning carbs and do proper WOT chops before you hole a piston. ASAP!!!

  3. #3
    I will do that today. Thanks.

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