[Jeff in Kentucky]

The JC Whitney motorcycle catalog is a good place to start for parts with a low price and maybe OK quality. For a much higher quality, this company has some nice parts:

http://www.motorcycle-superstore.com/3/13/123/19547/ITEM/Kuryakyn-L-E-D–Smooth-Mini-Bullet-Lights.aspx?sst=RR|19547

There are companies that make kits to put new lights on a dirt bike that started with no lights, but they are expensive.