Ok here is the thing, I know that the engine has three coils, the lighting coil, the internal ignition coil and the external ignition coil, I have the specs for testing them, what I need to know is which is the primary coil and which is the secondary coil. any help would be greatly appreciated, It is probably the cdi unit but I want to make sure that it is not the coils before I spend the cash on the cdi unit. I have already bypassed the kill switch and still no spark