Originally Posted by qadsan
You can significantly improve the lighting by purchasing the Honda glass lens from your Honda dealer (Honda PN# 33123-MK2-671) for as little as $22... it accepts a H3 bulb.
I did this yesterday, and damn if it didn't make an frickin HUGE improvement in my stock light. I can't believe how much better it is, and look forward to riding some more at night.. I used to hurry home before sundown.
It was a snap to install (lens is drop in replacment, bulb requires spade connectors crimped onto existing wires) and cost < $30 including 55w H3 bulb. It dims a little at idle, but slight and still 2x better than stock then. My brother is on his way over w/ xr400. I bought two and will do his next. He has a Ricky Stator and I expect him to not even have the dimming issue.
Wish I had found out about it years ago. I give it a double