Boxerworks.com

Yes, absolutely. I aggressively honed the cylinders in order to break up the glazing and get a nice cross-hatch hone in the bore.

My 1975 R90/6 developed a lot of blowby and started fowling plugs. I took the top end apart and realized it was due to glazed cylinders. Too many slow rides around the yard with the grandkids (it has a sidecar). So, I rebuilt the top end, valve job, new rings, new crankcase breather valve. So far it...