Originally Posted by
Pattojnr
i didnt mind the blue ceramic balls of novarossi a couple of years ago. since they have gone to the black ones, had nothing but problems.
generally i will run in the motor , use it a couple of round days, then replace to steel bearing. they seem to last longer. and i dont really see a huge performance loss from it
This has been my experience too, especially the black ball bearings. If you run them much more than qualifiers and one main with out replacing , you are asking for trouble.