i got a honda z50 for free has motor i took the motor off the frame and there are two wires comming out from the stator and there is the coil but doesnt have the spark plug boot its just the wire and some other wires that were connected to the lights but the bike has no light they have been token off i bought a new wire harness with the coil but i dont know which wire goes to the stator and also can it run without the lights hooked up need help quick!!!! also do i need a CDI for it?