A friend of mine has just bought a sherpa 199 350, was a poor starter but now no spark at all, can anybody tell us the obvious things to look at and did these suffer from any specific electrical problems?

points first

The easy way to sort out Sherpa spark problems is to replace the whole of the ignition system with electronic set (from Bultaco uk for example). Its expensive at

Thanks for your help.

When we took the flywheel off we noticed that the woodruff key had sheared .