Try our new info resource - "Aladdin's Cave" (Main menu)Just added a separate link to Ash's Dropbox thread (shortcut)
Thanks for the replies. Will order an aftermarket one and see how it goes. Noticed a bit of flickering after a fastish run, when the motor was hot. Oil (Silkolene 10/40) and filter (genuine) have only done 300 miles.Easiest option is to change the switch and see if that sorts it.