Not too shabby. I'd be pretty happy with those numbers.
Am I correct in guessing that is a Raketa 2628.H If so, then while it may not be the most decorative of engines, the ones I have looked at cleaned up nicely and run very well.
If this is my video you are referring to, I use watch and pocket watch balance staff burnishing tool. One half is a file and the other is scored metal, rounded on one side to follow the cone like couture of the pivot. Sent from my iPhone using Tapatalk Pro