... you may want to check the rubber on the tether switch pull-off. I have been trying to track down a stop/go problem all winter, even messing with the tether switch amongst all the other potential ignition probs such as kill and throttle switch. Got to looking closer at the tether switch rubber today and saw that the rubber was split with hairline cracks, not allowing it to seat against the switch. Some tightly wrapped electrical tape is a temporary fix. Might save you some chagrin to take a look if you have one of these old beaters.