Andrew,
Engine is the Sturmey-Archer and looks like a 150+-cc going by piston size I just forgot to measure it but needs a piston but doesn’t knock as bad now as found old and worn but better rings and is running weaker and no smoke, idles in low hundreds just like a sowing machine that was just a desperate try to weaken the mixture off and worked, all parts freed off and repaired so now easy to come apart if I find blades will replace just three, its really rough for its age and needs a bearing in chain case on clutch shaft dog clutch side, grass box and one RH cast roller half, small things can make and already have spent many hours at least its saved. Although idles very slow its still rather fast, did they pay gardeners by the hour I wonder.
