mydlyfkryzis said:You need this one: http://www.dimecitycycles.com/vintage-cafe-racer-caferacer-bobber-brat-chopper-custom-motorcycle-electronic-ignition-parts-universal-12-volt-ignition-coil-si-165-2.html
It says for four cylinder, but your type twin uses the same 2 lead, single coil type. You use one of these coils. A four cylinder uses 2 of them.