These Honda and Hua Sheng engines are good platforms for lighting coils. I either modify a moped coil or make my own using good copper wire and a laminated core. Anyone who can wind wire can make one. I then usr a full bridge rectifier to capture both signal waves which amplifies the output to nearly an amp, plenty to recharge the drain from LEDs. The battery serves as a capacitor to even out the voltage, preventing flickering of the lights at low rpms. And anyone who knows the principles of electricity can design the simple wiring harness.
