This is a Briggs & Stratton 2hp 4 stroke engine. It's the 61102 Series / 940558 / 6003110 which from my research tells me that it was made in 1960 by | Motored Bikes | Motorized Bicycle Forum
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Briggs and Stratton Power Products 9114-1 - 675011, 1,400 Watt Craftsman Parts Diagram for Briggs And Stratton 4-Cycle Engine III (10/95)
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