Since we had few warm days I thought about doing some tuning before it gets cold again. First I shortened the throttle lever between the carbs, it was a little too long so the throttle cable didn't pull it 100% down, there were maybe two millimeters missing from the throttle action. So now the butterflys can be fully opened with the throttle pedal.
Then it was time to get on to the cam timing, like I said it was a bit too advanced. Just a little problem, one of the allen bolts holding the cam gear adjustment in place didn't want to open so I accidentally rounded the allen socket. Well it was no biggie, friend brought me some new hard bolts and we were able to unscrew the rounded one by hammering a bigger torx socket in it and then using that to open it. So we replaced all the three locking screws for better ones.
Moved the rpm limiter from 6000 to little over 7000 rpm and retarded the cam a little. It took few test runs and cam timing adjustments to achieve what I wanted. Pulls better now and sounds really mint close the 7000 rpm redline.