After about one hour out my motor kills. If I choke the engine it will fire for about 3 seconds. I change the plugs but it still won't start until it cools down. I mix the gas 50:1 even though the decal on the side is 100:1. Mechanics have told me that the decal is a mistake and have seen many Johnsons like this one blown up over this decal. In Minnesota the lead time to get this into a repair shop right know is about 6 weeks because of the backlog. I also would like to know what the air mixture should be set at (the knob on the front of the carb). This was a used engine and I did not receive a manual.
