Thanks Norm,
I have tried a universal electronic ignition module on it and did not get any results with positive or negative earth. I am a little suspicious about the module itself, it arrived in an opened package with no instructions and the supplier phoned me earlier to tell me it was missing the connection wires but they would include some. The sceptic in me wonders if it had not been returned to them not working once before. I have put one on an old B&S engine that a friend of mine has. If I have time next time I am at his place I will swap them and see if it works. I have used them twice before can't understand how they work or why it does not work this time, but I have been told that they don't work on everything.
In the mean time I got a message back from VACES (Vintage Air Cooled Engine Spares, vaces.com.au) they have a condenser and will post it to me, from NSW. I would expect it to arrive about the 8th so will keep you posted.