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Thread: Carb settings

  1. #1
    Joined
    Jul 2005
    From
    Missouri
    Posts
    15

    Default Carb settings

    I have a new 787 SBT engine. In your tech articles you say that a 97 SPX should have the high carb setting at 1/4 on PTO carb and 0 on MAG carb. My question is....I also have a 96 XP with a 787 engine and your tech article says the high carb setting should be 0 on both PTO and MAG. So if they are the same engine why the difference?
    96 XP 787 stock
    97 SPX 787 stock (new SBT engine)
    86 IMP 230 SC cuddy cabin

  2. #2
    Joined
    Mar 2003
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    SBT
    Posts
    21,545

    Default Re: Carb settings

    All settings are +/1 1/4 turn, and some book specs change year to year. Start either way, and make changes based on your needs.
    SBT Tech Support is here to help with your problems.
    We try to answer each question quickly and accurately.
    Please do not use Private Messaging for Tech Support, use the forums.

  3. #3
    Joined
    Jul 2005
    From
    Missouri
    Posts
    15

    Default Re: Carb settings

    So I should start with the LOW and HIGH screws on both the PTO and MAG carb at 1 1/4 out and then based on reading the spark plugs and performance, adjust from that point?
    96 XP 787 stock
    97 SPX 787 stock (new SBT engine)
    86 IMP 230 SC cuddy cabin

  4. #4
    Joined
    Mar 2003
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    SBT
    Posts
    21,545

    Default Re: Carb settings

    No, highs are 0 to 1/4 turn out.
    SBT Tech Support is here to help with your problems.
    We try to answer each question quickly and accurately.
    Please do not use Private Messaging for Tech Support, use the forums.

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