Relatively easy method, be made to fire with each piston taking its turn at the top of the stroke, as most twin-cylinder engines of the The engine could be made to fire with both pistons together, as a large single cylinder engine would and, with a The engine wasĪctually a joining of two single-cylinder, 2 cycle, air-cooled engines into one torquey twin with a common crankshaft and cases.Īlthough the engine was designed primarily for the roadrace courses of Europe, Eduardo wanted this engine to offer versatility for both The concept for the engine had been designed by Eduardo Giró of the OSSA factory in Barcelona, Spain. There were only about 760 of this model built by Yankee It's 100% original, right down to the 'Full Bore' Motorcycles, but excel by being more powerful, better built, more Motorcycle, that would not only compete with European enduro-type In the 1960's, John Taylor of Schenectady, New Yorkĭecided to begin building in the United States, a dual-purpose Bob Duffy presenting his excellent Yankee toīirmingham, Alabama.
