When you adjusted the screw for 3 & 4 could you get 4 to match 3, if so then turn the middle screw to try & match 1 & 2 & 3 & 4.
Here is a write up on balancing & throttle position sensor settings. Also recheck the throttle position sensor settings after balancing also.
http://foc-u.co.uk/index.php?topic=91.0
Here is a write up on balancing & throttle position sensor settings. Also recheck the throttle position sensor settings after balancing also.
http://foc-u.co.uk/index.php?topic=91.0