It ran just fine. I have had the motor for 3 months. I could start it and throttle it down and put it into gear. Would not race at all. I took it out duck hunting. When I started it after sitting for a few hours, it was racing. I could not throttle it down. When I got it home, I started it again and it was at full throttle even though the controls were at low throttle. I did adjust the idle screw but seemed to not do much at all.