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1978 Yamaha 500
Steve Mixer said 2005-08-01 00:04
Technical question: My 1978 Yamaha 500 4-stroke off road bike will not idle when it is warmed up, it stalls when coasting down hill. When applying the throttle it runs good, no hesitation or cutting out. I´ve cleaned the carb, it does tend to foul spark plugs. I´ve asked around some and I´m hearing that this is typical for this bike. Technical help appreciated.