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Underbone and miniature motorcycles often have a three to five-speed foot-shift lever, but the clutch is automatic (usually a centrifugal clutch). This type of clutchless (no manual clutch) transmission still must have the gears shifted manually by the rider, and the system is commonly known as a semi-automatic transmission.
The designers at Moto Guzzi were aiming the V1000 Convert at the US police motorcycle market and were the first to produce a big capacity automatic motorcycle with shaft drive. Moto Guzzi increased the pushrod-operated V-twin's bore and stroke to give a displacement of 949 cc (57.9 cu in), and replaced manual gearbox with a torque converter ...
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 ...
This unit was an early semi-automatic transmission, based on the design of a conventional manual transmission, which used a servo-controlled vacuum-operated clutch system, with three different gear shifting modes, at the touch of a button; manual shifting and manual clutch operation (fully manual), manual shifting with automated clutch ...
The most common design of automatic transmissions is the hydraulic automatic, which typically uses planetary gearsets that are operated using hydraulics. [ 11 ] [ 12 ] The transmission is connected to the engine via a torque converter (or a fluid coupling prior to the 1960s), instead of the friction clutch used by most manual transmissions and ...
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.
Automatic, 3-Speed 4.5 bhp SuperCub C100 Honda C100EX: 1986–2003 Four-stroke, SOHC 2-valve, Single-Cylinder, Air-cooled 97.00 9.0 : 1 50.0 x 49.50 AC-CDI Carburetor Keihin PB 16 mm 4-speed rotary, multiplate, automatic, centrifugal, wet type 8.77 hp @ 9000 rpm Wave 100, Dream100, Astrea Prima, Astrea Grand, Supra X 100, Honda NF 100 (successor)
The Honda VTX series is a line of V-twin Honda cruiser motorcycles inspired by the Zodia concept shown at the 1995 Tokyo Motor Show. The Honda VTX 1800 was launched in 2001 as a 2002 model. The Honda VTX 1800 was launched in 2001 as a 2002 model.