The Lightwin, Fisherman, Lightwin Imperial, and Super Single shared that two inch bore piston ring in the thirties. Your model number indicates a 1936 long shaft with Battery ignition. Four point three horse power at 3,500 RPM. It sold for $100.00 FOB Milwaukee in 1936. Piston and rings are listed as part number 193390 and sold for four dollars . . . 😎
