Hi Grumpy, have done test with the in-line tester, did have good constant strong spark. One little thing, hope i'm not getting off topic, but the motor ran beautifully while idling, on full revs it seemed to surge/hunt just the tiniest of bit. Am wondering if i was to put original jet back into carby it might be right.
The way it was running with no wires connected it has me pionting back to bad wiring on the mower base, but that is something i will look into very shortly.
