Hey Antti, I just went through all this on a set of 907 wheels. The SKF # is 62203-2RS-C3 Notice that there are two 2's in that part number. Not a typo! Special bearing, but still in production. C3 is looser bearings, and helpful to take up some side loading, but not necessary. 17mm id x 40mm od x 1...

Which 851 front end do you want to use? The first year 851 used the Marzocchi M1R forks and had 16" wheels, which was almost same as the Paso. However, the travel was really short, like 105mm or something like that, so it may lower your front end, which will quicken you steering.The Paso had 13...

I've got the manual (Paso and Sport) I've got the strobe light I can see the marks, but that's where the mystery begins. The rear cylinder seems to be more advanced than the front, which seems backwards to me. So, What's the proper way to check timing on the 750 motor? Should I be checking the front...