New to the forum, bought an 04 270 rev 3 off a mate, had the notorious stator plate issue which has been changed, it runs but is very hit and miss, ive checked on the beta website and they say to set the ignition timing to 2.2mm on the rev3s, he also had the carb stripped and ultrasonic cleaned and chucked back together, basically what im after is if could someone please point me in the right direction for coerect ignition timing and carb adjustment for both the adjustment screws on the side of the carb, im awaiting on the woodruff key to arrive in the post so I can get the flywheel back on and have round 2 at getting the bugger to run right

Mikuni carb, mixture screw (small one) 1.5 turns out from bottomed. Idle screw adjust until it idles where you like it. No absolute right or wrong. The mixture screw may adjust ~+/-1 turn depending on jetting and temperature.

Cheers dan! Ill have a stab at it when I get the woodruff key and flywheel nut! Does 2.2mm sound about right for ignition timing?

To be honest I've never measured just set it back to the middle of the groove and adjusted from feel if I didn't think it was good.