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  2. Ram-air intake - Wikipedia

    en.wikipedia.org/wiki/Ram-air_intake

    Ram-air systems are used on high-performance vehicles, most often on motorcycles and performance cars. The 1990 Kawasaki Ninja ZX-11 C1 model used a ram-air intake, the very first on any production motorcycle. [2] [3] Ram-air was a feature on some cars in the sixties. It fell out of favor in the seventies, but recently made a comeback.

  3. MAFless Tuning - Wikipedia

    en.wikipedia.org/wiki/MAFless_Tuning

    MAFless tuning is a popular modification in Australia for Holden vehicles powered by the General Motors LS1 Gen III 5.7 V8 engine. The genesis for MAFless tuning of the LS1 in Australia was the HSV GTS version of the Holden Commodore , which was factory fitted with a Callaway-developed C4B version of that engine running in MAFless mode.

  4. Moriwaki Engineering - Wikipedia

    en.wikipedia.org/wiki/Moriwaki_Engineering

    Mamoru Moriwaki is a Japanese motorcycle tuner, race team owner and founder of Moriwaki Engineering, a Japanese specialty engineering company that designs, manufactures and sells high performance parts for motorcycles and cars. [1] His motorcycle industry career is closely intertwined with that of Pops Yoshimura, another respected motorcycle ...

  5. Engine tuning - Wikipedia

    en.wikipedia.org/wiki/Engine_tuning

    Engine tuning is the adjustment or modification of the internal combustion engine or Engine Control Unit (ECU) to yield optimal performance and increase the engine's power output, economy, or durability. These goals may be mutually exclusive; an engine may be de-tuned with respect to output power in exchange for better economy or longer engine ...

  6. Semi-automatic transmission - Wikipedia

    en.wikipedia.org/wiki/Semi-automatic_transmission

    Those in several underbone motorcycles in the 1970s; the Suzuki FR50, Suzuki FR80, and Yamaha Townmate used 3-speed transmissions with a heel-and-toe gear shift. Some high-performance sport bikes use a trigger-shift system, with a handlebar-mounted trigger, paddle, switch, or button, and an automatically operated clutch.

  7. MAP sensor - Wikipedia

    en.wikipedia.org/wiki/MAP_sensor

    It is a one-to-one relationship with an offset of -100 kPa for boost pressure. Thus, a MAP sensor will always read 100 kPa more than a boost sensor measuring the same conditions. A MAP sensor will never display a negative reading because it is measuring absolute pressure, where zero is the total absence of pressure.

  8. Sequential manual transmission - Wikipedia

    en.wikipedia.org/wiki/Sequential_manual_transmission

    Gear shift lever on a motorcycle (above the toe of the rider's boot) A sequential manual transmission is unsynchronized, and allows the driver to select either the next gear (e.g. shifting from first gear to second gear) or the previous gear (e.g., shifting from third gear to second gear), operated either via electronic paddle-shifters mounted behind the steering wheel or with a sequential ...

  9. Suicide clutch - Wikipedia

    en.wikipedia.org/wiki/Suicide_clutch

    The earliest known use of a foot clutch and hand shifter, on motorcycles, was with the first multi-geared transmission on the 1915 Harley Davidson. [10] It is a mechanical linkage that is typically mounted to the left side of the motorbike's fuel tank and is held in place by a slotted piece of metal welded to the frame or the tank. [ 9 ]