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choke

  1. G

    Running on 2 cylinders with choke on

    I have a 1991 CB 750 Nighthawk with 11K miles. Once warmed up, the bike runs very strong, although it hesitates a little bit when hitting throttle fast from idle. The problem is that when I start it cold with full choke on, it will only run on two cylinders (first and second from the right)...
    • Greg CB750
    • Thread
    • carburator choke running on two cylinders
    • Replies: 6
    • Forum: The Garage
  2. P

    How does the choke work on this bike?

    When I pull up on the choke, the butterflies close and it idles higher. Push the choke down, the butterflies open, and it idles lower. This makes no sense to me. As a side note, the bike already idles too high (4500-5000) so I know the carbs need tuned bad. I’m just confused as to how...
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