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  2. Two-stroke power valve system - Wikipedia

    en.wikipedia.org/wiki/Two-stroke_power_valve_system

    A stroke is the action of a piston travelling the full length of its cylinder.In a two-stroke engine, one of the two strokes combines primarily the intake stroke and the combustion stroke, while the other stroke primarily combines the compression stroke and the exhaust stroke, though technically since both ports are exposed during both the combustion and compression strokes, some reversion ...

  3. Two-stroke engine - Wikipedia

    en.wikipedia.org/wiki/Two-stroke_engine

    Animation of a two-stroke engine. A two-stroke (or two-stroke cycle) engine is a type of internal combustion engine that completes a power cycle with two strokes of the piston (one up and one down movement) in one revolution of the crankshaft in contrast to a four-stroke engine which requires four strokes of the piston in two crankshaft revolutions to complete a power cycle.

  4. Harley-Davidson Milwaukee-Eight engine - Wikipedia

    en.wikipedia.org/wiki/Harley-Davidson_Milwaukee...

    Harley conducted interviews in seven cities; over 1,000 people were asked to outline what they would like to see in the next line of touring bikes. These interviews resulted in the new Milwaukee-Eight engine. The biggest improvements people wanted to see were more power, less heat, and less vibration.

  5. Motorcycle engine - Wikipedia

    en.wikipedia.org/wiki/Motorcycle_engine

    A Honda Super Cub engine. The most popular motorcycle in history, with over 100 million produced. A motorcycle engine is an engine that powers a motorcycle.Motorcycle engines are typically two-stroke or four-stroke internal combustion engines, but other engine types, such as Wankels and electric motors, have been used.

  6. Bimota V Due - Wikipedia

    en.wikipedia.org/wiki/Bimota_V_Due

    The V Due was a 500cc V-twin two-stroke motorcycle first manufactured by Bimota in 1997. Technical specs included the first electronically controlled direct fuel injection on a two-stroke bike, cassette type gearbox and dry clutch. Its power-to-weight ratio surpassed almost all sports bikes of the day. The first production run of 150 bikes ...

  7. Suzuki RE5 - Wikipedia

    en.wikipedia.org/wiki/Suzuki_RE5

    The bike's sound is unique among its two- and four-stroke contemporaries but also quite loud. [49] Early in production (December 1974, Frame #11901), Suzuki reduced the size of the spark arrestor tubes, [ 50 ] which both reduced noise and horsepower, but the RE5 exhaust note remains distinctive.

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  9. Flat-twin engine - Wikipedia

    en.wikipedia.org/wiki/Flat-twin_engine

    The European models at this time included the Bradbury 3.5 hp (2.6 kW), the Brough HB, the Douglas 2.75 hp (2.05 kW) and 4 hp (3.0 kW) models, the Humber 3.5 hp and 6 hp (4.5 kW) models, the Matchless 6 hp, the Montgomery 6 hp, Williamson Flat Twin 8 hp (6.0 kW), and the Bayerische Flugzeugwerke Helios (the predecessor to BMW's first motorcycle).