Thanks for the info, I think I have to go for the manufactures recomended cearance and be carefull with the breakin. In my youth I came across a few 836 overbores and they always smoked, maybe they w ...
I have an early CB750 K0 which I have a spare engine for. The spare engine has just had an Wisesco piston kit taking the engine up to 836cc. The overbore was done by a very experianced company who ex ...