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  1. Yamaha
    My Yamaha '77 XS 400, mitsumi carbs, starts very hard, regardless of choke setting. When it finally starts, it roars at 5,000 to 8,000 rpm. I've lubricated the throttle cable to make sure it isn't sticking. The throttle link arm seems to be almost resting on the remote throttle stop screw when...
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