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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]
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. Straight-twin engines are primarily used in motorcycles; other uses include automobiles, marine vessels, snowmobiles, jet skis , all-terrain vehicles ...
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 Speed Twin, Tiger 100 and 350 cc 3T models emerged in 1945. ... were produced from 1960 to 1974 and 1963–1969, respectively. ... 350 cc motorcycles than Yamaha ...
In early 1969, Yamaha added reed-valve induction to its previously piston-ported designs to produce the twin-cylinder RD and single-cylinder RS families, with variants in a number of capacities. There was a persistent, but apocryphal, rumour to the effect that "RD" indicated race developed .
Triumph Engineering Co Ltd was a British motorcycle manufacturing company, based originally in Coventry and then in Meriden.A new company, Triumph Motorcycles Ltd, based in Hinckley, gained the name rights after the end of the company in the 1980s and is now one of the world's major motorcycle manufacturers.
A limited edition 100+ Racer was available, which had a tuned engine with hand polished ports and s special carburettor. [16] The model later gained a tubular frame and was available in road trim, as the 100 G/P-7, and as a street scrambler trim with s high level exhaust as the 100 TMX-7. [17]
The T120 won the Production Isle of Man TT in 1967 and 1969 in the 501–750 cc classification. The re-introduction of the Production TT was in 1967 when John Hartle took first place. Two years later in 1969, Triumph set a new landmark in TT history when Malcolm Uphill averaged 100 mph (160 km/h) around the Mountain Course on a Bonneville. [18]