headlights

Hi I'm getting ready to build my first bike for me and my son in Michigan this will be his Christmas gift. I need some good insight I've read many post. I've found good bikes at Walmart if you know better I'm listening, now it's time to ask the experts. I would like to use a centrifugal cluth...

Im just gonna get straight to it.. I have a bt80 or bullet train engine. Leftover green and orange wires, instruction manual says its for headlamps or horns. How do i install a horn and headlamp with those wires? Whats it the big red toggle switch on the throttle grip combo used for? I...

First build.