Try our new info resource - "Aladdin's Cave" (Main menu)Just added a separate link to Ash's Dropbox thread (shortcut)
All official UK bikes were K1, except the press bikes, everything else was an import plus even the K1 has different parts in other countries e.g. clocks were inclined more to rider but still small type, different holes in rear mudguard and light mounting to suit, huge rear light etc.Only majour engine change was gear detent system as early ones were not so good and clutch but that was early on in the run. Camchain tensioner mech is better than 400 but can still be knackered by ham fistednesd and needs proper use, generator has slightly more output