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  1. Help! Broken engine screw.

    Tips And Tricks
    I am really new to motorcycles and last month purchased a 1979 cb400. Long story short I was attempting to replace the head gasket when I BROKE one of the top two screws in half (not even sure what to call the part, the top screws when you are first taking off the top of the engine). Anyways now...
  2. CM450 Pilot Screw replacement?

    Engine Discussion
    Hi Everyone, I've got a 1982 CM450 that I'm slowly turning into a Café racer for when I can ride it next year. I have an issue with the carbs where one of the mixture screws is missing. It's got the Keihin VB22 carbs. I've done quite a lot of research and I can't seem to find anywhere where...
  3. Idle air screw = no effect

    Fuel Supply and Carburation
    1969 CL450 with Keihin carbs. Starts, idles and runs fine. However, when trying to adjust the carbs, turning the idle air bleed screw on the right carb has no effect, even going from totally screwed in to almost falling out. The same screw on the left carb adjusts normally. Could it be an air...
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