have you found a way to charge your lights yet?
i am doing research on the same thing. i also have a 6.5 clone motor from harbor freight.
i guess i am looking for a charge coil.
not sure if this will work...Small Engine Surplus.com OH195EP-71807 Power Sport 6.5 HP Electric Start Go Kart Engine
let me know if you find anything new.
thx
-j