Ive been to Hamilton NZ and can assure you they do have the equivalent type of store/s there.
the point is why should i spend money on something if i can make it out of bits & pieces i have in my shed .
I think that this spark checker is a quick and cheap way to test an ignition system.
http://community.evinrude.com/t5/Ow...-Bill-Grannis-Homemade-Spark-Tester/ba-p/4585