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No spark

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Nothing_toxic Sat, 16/04/2016

I have an Atco Balmoral 17s which is not producing a spark. I've replaced the ignition coil but this does not seem to have solved the issue. What should I look at next? 

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wristpin Sat, 16/04/2016

Have you tried a "known good" spark plug?

Is your replacement coil new or used ? Also, are you aware that the first generation electronic coil units were of the capacitive type and the later and current units are of the inductive type ? Each type needing its own flywheel.

That aside try disconnecting the kill wire from the throttle plate to eliminate a faulty stop switch permanently grounding the coil - as will a pinched wire between the stop switch and the coil.

Nothing_toxic Sat, 16/04/2016

Thanks for the info. I have tried a new plug. The new coil is not a genuine part but matches the part number and looks identical. I guess the kill wire is my best bet. Not something I've done before. Any tips? 

wristpin Sat, 16/04/2016

Visually check the kill wire from where it leaves the coil, its exit from the magneto back plate to its termination on the throttle plate . It should be insulated from earthing until the handle control and throttle cable are closed past slow and the linkage then earths it.