Basic Pertronix how to install ignitor: I know see because of the magnets It could not use a 3 cyl model on a 2 because of the magnet. Maybe a 4 cyl and modify be removing 2 opposing magnets. Intriguing.
I'd sure like to do similar with my 2cyl Westerbeke. Unfortunately the name plate has corroded. The cap part number is 029120-0630 and there is a 2 above it. Seems Doubtful that there is a Pertronix kit for this, but wonder if whatever worked for your distributor might work for mine if its a...
390x's successful Pertronix "upgrade" on a WB 6.5BCG http://www.clubsearay.com/index.php?threads/electronic-igntion-for-westerbeke-6-5-bcg-1989.60620/#post-681381
Sierra makes caps and rotors that are Westerbeke compatible, in fact they make one that Westerbeke no longer has available. West Marine and Amazon have some of them. In another thread a fellow boater at this forum describes his switching out his 3 cylinder generator's ignition to MSD and...
MarinePower out of La (not L.A.) has several gm based repower options. My 1979 Searay 310 sv was repowered with Marine Powers Sportpac 5.7 / 350 in '03 or so. pretty big upgrade as the newer motors are multiport injection and closed cooling system They have great customer service and parts...