Hi all, I have a strange problem with my vfr and no idea what it is. I have a misfire which I have put down to plugs but for some reason it won't run at low revs (up to 5000) without the lights on and won't run at high revs with them on?? The revs just seem to top out the bike really struggles to rev. Anyone got any ideas. Thanks

You've got some weird symptoms there!

I'd be checking charging system, always a weak spot, then headlight wiring.

Yea tell me about it, makes for an interesting commute. Cheers I'll check those out see if it sorts me problem