Yeah it was like this:
1. the (now and again)buzzing was coming from the rectifier.
2. Started to notice a ticking like noise from the fan
3. With a load buzz from the rectifier the bike died.
4. Got it started and it rode again fine.
5. Ticking noise came back from the fan
6. With a load buzz from the rectifier the bike died again and now the kick wont go down.
I wish I had checked that wire earlier
I'm gonna take it to the shop. £20 to get it there £40 an hour labour.