Home › Forum › Ask A Member › Wisconsin RBM › Re: Wisconsin RBM
September 15, 2018 at 11:25 am
#82894
I think the early Cailles (maybe up to the Red Heads) used serial numbers in sequence for all their motors. So if you compare you Caille number to another Caille number of a known manufacture year you can get pretty close to the year of your Caille RBM.