In my quest for a leak free K0 750 I have had the block and head from my bike milled so the parts mate perfectly. I also was going to add additional orings around the oil passages as per service bulletin No. 42, which can be found here:
http://sohc4.com/tiki-list_file_gallery.php?galleryId=2The service bulletin doesn't tell me, however, what size orings I should use. Does anyone know?
Thanks,
Patrick