[QUOTE] Nope, but I have an M4 of similar ilk that runs the 996 MAG V-twin,[/QUOTE] jpeg! jpeg! [QUOTE] and a few handy contacts for most things old and unusual,[/QUOTE] Please could you ask around for ideas/bits. [QUOTE] JAP's were interesting cos they were slotted into just about everything at some point, what is it about 770cc early 30's? (the nice castings and bearing look post 20's)[/QUOTE] It's the big boss and bearing on the primary side which make it a viable bike engine. [QUOTE] You could make a very nice period racer with that. [/QUOTE] Racer with elctronic ignition and minimal lighting legality was wght I had in mind. Can't afford two Mags, but could hide the electronics inside a pair of shagged out Mag bodies quite easily. Will require a battery though, so may as well have lights to make it road legal.