NSR 250 R MC18, 1989

Only had this bike a couple of months. It was starting and ticking over fine. Then I took it for a ride and it cut out! (Pushed it a mile home!)

So, got a spark on the horizontal cylinder but not the vertical one. Tried swapping the coils over but still no spark on the vertical one, although the vert coil worked on the horizontal terminals. Cleaned all the terminals on both coils.

Arrrh! What next? Any ideas please?!

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