inxs ;right again . it is an earlt Shell frame. rumor has it Shell was trying to use (as were all of of us) any 2 stroke cdi that would fit under the alt.cover with the same taper as that of the xs crank, the smaller the better. cut the nose of the crank off, tap the stub,position the rotor, cut the case ect. we all know how big an ugly the alt. case is anyway, that, and you do not want the alt case hanging up in the dirt, in the corrner, at a 100 +its all typical early 70s flat track stuff; Barns quick change hubs, Hurst Airhart brakes&master (go-cart brakes) i will have pix of my toys/parts, on site soon. too many things to do.
Later
>maxx40x