I was looking at Tod Rafferty's Motorcycle Encyclopedia which has a photo of the 1903 type California Motorcycle that George Wyman used to make the very first transcontinental crossing in 1903. It has the motor listed as 200 cc with 1.25 hp.
Weight is given as 100 lbs. Could it be that the weight given as 90 lbs. in Hall of Fame and CR4 listing is juxtaposed with 90 cc motor? In those days it took 200 cc to get 1.25 hp. but from photo there is no way to judge displacement. Question is 90 cc or 200 cc?
Al