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  2. Motorcycle transmission - Wikipedia

    en.wikipedia.org/wiki/Motorcycle_transmission

    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.

  3. Non-synchronous transmission - Wikipedia

    en.wikipedia.org/wiki/Non-synchronous_transmission

    Non-synchronous manual transmissions are also found on motorcycles, in the form of constant-mesh sequential manual transmissions. [1] [2] Prior to the 1950s and 1960s, most cars used constant-mesh (and also sliding-mesh) but non-synchronous transmissions.

  4. Transmission (mechanical device) - Wikipedia

    en.wikipedia.org/wiki/Transmission_(mechanical...

    A manual transmission requires the driver to manually select the gears [6] by operating a gear stick and clutch (which is usually a foot pedal for cars or a hand lever for motorcycles). Most transmissions in modern cars use synchromesh to synchronise the speeds of the input and output shafts.

  5. Manual transmission - Wikipedia

    en.wikipedia.org/wiki/Manual_transmission

    A manual transmission requires the driver to operate the gear stick and clutch in order to change gears (unlike an automatic transmission or semi-automatic transmission, where one (typically the clutch) or both of these functions are automated). Most manual transmissions for cars allow the driver to select any gear ratio at any time, for ...

  6. Automatic transmission - Wikipedia

    en.wikipedia.org/wiki/Automatic_transmission

    However, manual transmissions have the disadvantage of requiring the driver to operate the clutch and change gear whenever required. [10] Real-world tests reported in 2022 found that in typical driving manual transmissions achieved 2 to 5% better fuel economy than automatics, increasing to 20% with an expert driver.

  7. Automated manual transmission - Wikipedia

    en.wikipedia.org/wiki/Automated_manual_transmission

    Automated manual transmissions can be semi-automatic or fully-automatic in operation. Several different systems to automate the clutch and/or shifting have been used over the years, but they will generally use one of the following methods of actuation for the clutch and/or shifting: hydraulic or electro-hydraulic actuation, [12] electro-mechanical, [13] pneumatic, [6] [14] [15] electromagnetic ...

  8. Category:Motorcycle transmissions - Wikipedia

    en.wikipedia.org/wiki/Category:Motorcycle...

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  9. Semi-automatic transmission - Wikipedia

    en.wikipedia.org/wiki/Semi-automatic_transmission

    Semi-automatic motorcycle transmissions are based on conventional sequential manual transmissions and typically use a centrifugal clutch. [34] At idle speed, the engine is disconnected from the gearbox input shaft, allowing both it and the bike to freewheel , unlike with torque converter automatics, there is no idle creep with a properly ...