I've never tried it, but my understanding is that when boring out the liner on B44 cylinders, you might experience voids in the cylinder casting. Presumably if you experience this you would need to keep boring oversize until you have clean metal all around.
Last edited by gunner; 02/27/206:53 pm.
1968 A65 Firebird 1967 B44 Shooting Star 1972 Norton Commando
thanks for that, I was just worried there might be horror stories! It does make you wonder why BSA cast the liner in with the ribs on the B44 but not the B25, B40 or even the B50, 'suppose the reason is lost in the mists of time, if there ever was one.