Dave Ett wrote:Your best course of action is to have a read of the model history section, it'll give you a feel for what bikes came when and how the timeline ran.
Without bothering to double check, I believe the PGM 1 was on the MC16, 2 on the MC18, 3 on the MC21 and 4 on the MC28.
Why would you want to retrofit it, and to what?
Almost, the PGMI was on the first MC18's and the PGMII on the latter. MC16 didnt have the PGM and ran CDI's