Originally posted by Loz [Thanks for looking at my front cylinder coil. Although I think/hope it's the rear cyl coil or spark plug that's the problem, the latest word from the garage is it might be "something mechanical".
I'd put money on new plugs sorting that right out. Bung a couple in and see if I'm right
BTW, I've got a new (second hand) tank on the way. Trouble is - if I keep repairing the damage I'll run out of excuses not to wash it