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    Running on 2 cylinders with choke on

    I am running Honda's own oil as specified for this motor (I bought the oil at a Honda Motorcycle dealership, too). I was thinking something was off with the choke because from what I could tell (YouTube videos), other Nighthawks idle high with choke on and can be throttled up even when cold...
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    Running on 2 cylinders with choke on

    I don't remember the numbers exactly, but I know they were within 5% of each other in each cylinder. All 4 spark plugs looked very nice and even, too. If there was an issue with compression or valves, the bike would like run poorly at higher rpm and when warmed up, but mine is a beast all the...
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    Running on 2 cylinders with choke on

    Thanks Biebs, I checked the plugs, they are clean and properly gapped, so I don't think that's it. I also checked compression and it's equal in each cylinder. Not much riding in January for me (as in any), but I started the bike up yesterday and it behaved exactly the same as it did when the...
  4. 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)...
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