Making a little bit of progress...
Made the first test-start with engine yesterday. We had some various problems that needed to be solved before it fired, like a brand new starter that seemed to be crap after a few turns (but couple of the guys tore it apart and made a few hotfixes to it, so it worked perfect later on).
It ran a little bit lean on 3 cylinders on idle, but full speed seemed to be okey. We removed the nozzles and cleaned them properly, but that didnt seem to help, so im going to check intake gasket and adjust butterflies.
Motor sounded real good though
Now im just hopeing it will run strong for a few races without any big problems. Full rebuild this winter, as there are several things that i want to improve.