Due to honda fitting a shitty reg / rect and the amount of trouble it can cause, here's a self diagnosis guide to weed out them pesky reg and charging problems.
http://www.electrosport.com/media/pdf/f ... iagram.pdf
How to check your Regulator / Rectifier and charging system
Re: How to check your Regulator / Rectifier and charging sys
Thanks to cupasoops diagram if have found the problem 2nite ... a faulty rectifer , bloody thing lol
It might be old, but it still kicks ass !