Well after many, many hours of putting it all back together, yesterday I ran the engine for the first time. Its would be very interesting to know how long it has been since this engine last ran, I dare say 20 years. It started in about 4 kicks and ran very well, idling fine and making no strange noises.
Just need to get the tank back from the painter now which should be next weekend then take it for a run – can’t wait!