Hello. I have a 1983 Triumph TSX 750, and I have a question about the ignition coil. The bike have a 12 volts system, but the coils that is on the bike is 6 volts. Is this right? I expect that when it's 12 volt, that it should be 12 volts all over. Or am I wrong? I hope that anyone can tell me. Thanks in advance.