I'd back that up, just spent some time on mine for the same problem, kill switch was already disconnected by the last owner.
Could also stick a volt meter on the coil and see what you get, also the kill switch on the stand would be worth looking at and maybe by-passing as they also play up on these bikes.
Lurgi
July 2011
disconnect the kill switch and see if it sparks then,it a common problem
adam bike doctor
July 2010
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