I've rebuilt the motor(1981) and dropped it back in this weekend. The only way I can get it to start is full throttle w/ choke open. It will start after a long cranking and only run for about 10 seconds. While running like this the rpm's are under a 1000, motor is bouncing, then a backfire through the carb and she stalls. I have spent over 24 hours this weekend checking everything and need help.<br /><br />Thanks<br />nh3
