marekbuk wrote on 05/30/17 at 04:27:50:The seller said they were 4 speed 'black boxes' Surely the CDI's would'nt be different for 4/5 speed engines? - or am I missing something?
Well yes they are different.
The connector is different and the timing is different.
But, as long as you have the matching year rotor you can use them if you figure out how to convert the connector.