I finally got my Sportwerks .21 motor to run 1 full tank thru. I had to open the LSN up about 4 turns to get it to take in enough fuel to idle. I got it started at 2 turn but had to give gas to get it to start. It got hot and started smoking but didn't hurt anything. At first I thought the LSN was to rich at 2 turns since it sounded like it was diesling but this stopped at 4 turns. I wonder if the carb has been changed?
Rockman