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Other applications of semi-automatic transmissions on motorcycles include the Yamaha FJR1300AE sport-touring motorcycle, with the YCCS automatic clutch system, Honda's range of 2- and 3-speed Hondamatic semi-automatic transmissions, used on various motorcycles throughout the 1970s and 1980s, and the three-wheeled BRP Can-Am Spyder Roadster ...
An early example of a semi-automatic motorcycle transmission was the use of an automatic centrifugal clutch in the early 1960s by the Czechoslovakian manufacturer Jawa Moto. [83] Their design was used without permission in the 1965 Honda Cub 50 , which resulted in Jawa suing Honda for patent infringement and Honda agreeing to pay royalties for ...
semi-automatic transmissions are also in use; where the driver's input is still required for shifting gears, but the clutch system is controlled and operated automatically. These systems are mostly found on smaller dirt bikes (e.g., minibikes ; such as pit bikes ), underbones , many older mopeds and scooters, and various other types of motorcycles.
This was the first Yamaha V50 and was one of the first models to be sold along with the V70 and the V90. The original V50 had a 49 cc (3.0 cu in) two-stroke engine with a three speed semi-automatic gearbox and could reach speeds of about 35–40 mph (56–64 km/h).
Depending on whether the motorcycle has a manual hand clutch or an automatic centrifugal clutch, determines whether the motorcycle transmission is a semi-automatic (automatic clutch) or a manual transmission. It is then coupled to a sprocket and chain drive to transmit power to the rear wheel.
The motorcycle division of Yamaha was spun off in 1955, being incorporated on 1 July 1955 in Japan, [7] and was headed by Genichi Kawakami. Yamaha's initial product was a 125 cc (7.6 cu in) two-stroke, single cylinder motorcycle, the YA-1, which was a copy of the German DKW RT 125.
Starting with the 2006 models Anti-Lock Brakes (ABS) and a linked braking scheme Yamaha calls 'Unified Braking System' (UBS) became standard. Also, the FJR1300AS model (FJR1300AE in the U.S.A. and Canada) was introduced which had a semi-automatic transmission. The AE variant was discontinued for 2010, although the AS model continued to be sold ...
Motorcycles with a V-twin engine mounted with its crankshaft mounted in line with the frame, e.g. the Honda CX series, are said to have "transverse" engines, [1] [2] while motorcycles with a V-twin mounted with its crankshaft mounted perpendicular to the frame, e.g. most Harley-Davidsons, are said to have "longitudinal" engines.