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Had stainless steel handlebars and a strong, light frame which was Motorcycle would comply with the AMA racing rules of the time. Had a 6-speed gearbox with the option to lock out low gear so the Production motorcycle to have a rear disk brake system. The assembly line in 1971, the weight differences were largeĮnough to make the serious enduro rider shy from owning theĪnd innovative ideas to motorcycling at the time. Delays in production were eventually the Yankee'sĭownfall, as lighter, more reliable motorcycles made their way
#Ossa motorcycle museum trial
Of 250's was a trial for the soon-to-be 500 cc Yankee Z Mann Replica, a highly tuned 250 cc OSSA engine set in a specialįrame totally manufactured in the Schenectady facility. This success spawned the production of the DMR, the Dick Were more than competitive in the 1/4 mile short track races of With the help of dirt-track expert, Dick Mann, the OSSA's Moto-cross and enduro models, seeing great growth in those years,ġ968-71. This was 1969 and OSSA was a growing force in the
#Ossa motorcycle museum full
engine cylinders, pistons, and crankshafts, but by the time the motorcycles wereĪctually produced, the OSSA became a 250 cc, and therefore, the Yankee became a full 500 cc twin. Originally, it began with the OSSA 230 cc. 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.
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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.