Keihin CR 39.5's on gs1150 Suzuki

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  • kerbymiller
    • Mar 2026

    #1

    Keihin CR 39.5's on gs1150 Suzuki

    Does anyone have experience with the pilot jets and main jets for these carbs?
    I have a 1885 Suzuki GS1150 that has been bored out to a 1260. It has a mildly ported head, mild cams (168 grind), and a dyna ignition & coils. I have Keihin CR 39.5 carbs on the bike and I would like to know what you would recommend for the pilot & main jets and also the needle setting. I have 58 pilots and 125 mains and it is awful rich. I cannot idle very long until the bike loads up. I would like to know what you recommend??.just at a starting point. I am also about 1500? above sea level.
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