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The Yamaha YM1 is a motorcycle produced by Yamaha from 1964 to 1966. It used a 305 cc 2-stroke engine. It used a 305 cc 2-stroke engine. It shared common parts with the 246 cc YDS3 and was virtually identical in all respects with the exception of bore and stroke .
The first bike manufactured by Yamaha was actually a copy of the German DKW RT 125; it had an air-cooled, two-stroke, single cylinder 125 cc engine [1] YC-1 (1956) was the second bike manufactured by Yamaha; it was a 175 cc single cylinder two-stroke. [1] YD-1 (1957) Yamaha began production of its first 250 cc, two-stroke twin, the YD1. [1]
Itom 50cc racing motorcycle. Ivy started racing motorbikes at Brands Hatch, Kent, UK in 1959. [1] His first race bike was a 50cc Itom.Entering his first TT race in 1962 on a Chisholm Itom, [2] he later progressed to ride a variety of machinery on UK short circuits including Honda, Bultaco, Yamaha, Norton, Cotton, and Matchless machines.
Pages in category "Motorcycles introduced in 1969" The following 14 pages are in this category, out of 14 total. ... Yamaha AT1 This page was last ...
The 1969 Grand Prix motorcycle racing season was the 21st F.I.M. Road Racing World Championship Grand Prix season. The season consisted of twelve Grand Prix races in six classes: 500cc, 350cc, 250cc, 125cc, 50cc and Sidecars 500cc.
1964 Sanglas Rovena motorcycle engine (built by Hispano Villiers) 1997 Suzuki GS500 motorcycle engine. A straight-twin engine, also known as an inline-twin, vertical-twin, inline-2, or parallel-twin, is a two-cylinder piston engine whose cylinders are arranged in a line along a common crankshaft.
1971 Yamaha AT1C Each year, the AT1 was also available in the Motocross edition designated by an M. The M models were very similar to the regular models other than a few performance-enhancing features, such as weight reduction, higher compression ratio, tuned exhaust, larger carburettor with 26 mm throttle bore, and tuned gearing ratio.
"Cutaway of Yamaha Genesis inline-four 20-valve engine" The DOHC Genesis engine has five valves per cylinder and downdraft carburetors. Yamaha adopted the 5-valve concept, using three intake valves and two exhaust valves per cylinder, because it allowed both excellent volumetric efficiency and high RPM. As designers began to appreciate the ...