Originally Posted by flygono

Thanks Tom for the information but before sending the engine I noticed that the rear cylinder spark plug is not firing. I exchanged the spark plug an it's not the culprit. It's either the Electronic ignition module or the cable/spark plug boot.
Does any one know how how to tell where the problem is?
If not where can I get a new ignition module? I did a Google search for Gunter Muller ignition but could not find it.