Wide open throttleWide open throttleWhat would cause my CB77 to perform poorly at Wide open throttle. It idles good and midrange is good but when I open the throttle all the way, it bogs down. The advancer springs seem to be operable. Thanks, Dizcod
Incorrect jet size. Happen to know what size your running on the main jet? Open exhaust? Air filter? Have you done a high speed plug chop? Run at full throttle for a mile or so and then kill the ignition. Take out the plugs and have a look. They will probably be on the black side.
I also think some of it can be attributed to poor spark. I'm working through some of these same issues on a CA77. Not really in a hurry, as it really runs just fine, but I want it to run better.
I believe the jets I am using are the standard issue Keyster 135 main and 42 pilot? Does that sound right. I live in MN so I don't have a problem with elevation and I am running Stock exaust and Brand new aftermarket filters. I notice it when in just about every gear but most prominent on the highway when trying to go 60-65 mph, I know it can go faster but it will not. Thanks for all the info guys. Thanks, Dizcod
How have you adjusted the points timing?. ..........lm
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