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  2. 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.

  3. List of motorcycles by type of engine - Wikipedia

    en.wikipedia.org/wiki/List_of_motorcycles_by...

    A transverse engine is an engine mounted in a vehicle so that the engine's crankshaft axis is perpendicular to the direction of travel. In a longitudinal engine configuration, the engine's crankshaft axis is parallel with the direction of travel. However, the description of the orientation of "V" and "flat" motorcycle engines differs from this ...

  4. V-twin engine - Wikipedia

    en.wikipedia.org/wiki/V-twin_engine

    Honda Shadow VT 125 motorcycle engine. A V-twin engine, also called a V2 engine, is a two-cylinder piston engine where the cylinders are arranged in a V configuration and share a common crankshaft. The V-twin is widely associated with motorcycles, primarily installed longitudinally, though also transversely. They are also used in a variety of ...

  5. Ariel Square Four - Wikipedia

    en.wikipedia.org/wiki/Ariel_Square_Four

    MkII upper engine detail showing bolt-on cast aluminium exhaust manifolds, high-mounted carburettor with high inlet stub cast into the rocker box, and the rear-mounted distributor In 1953, the 'four pipe' 997 cc Ariel Square Four Mk II was released, with separate barrels, a re-designed cylinder head with four separate exhaust pipes from two ...

  6. Harley-Davidson Milwaukee-Eight engine - Wikipedia

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

    The Harley-Davidson Milwaukee-Eight engine is the ninth generation of "big twin" engines developed by the company, but only Harley's fourth all-new Big Twin in 80 years, first introduced in 2016. These engines differ from the traditional Harley Big Twin engines in that there are four valves per cylinder, totaling eight valves, hence the name.

  7. 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.

  8. Harley-Davidson Knucklehead engine - Wikipedia

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

    The knucklehead is a retronym used by enthusiasts to refer to a Harley-Davidson motorcycle engine, so named because of the distinct shape of the rocker boxes. [1] The engine is a two-cylinder, 45 degree, pushrod actuated overhead valve V-twin engine with two valves per cylinder. It was the third basic type of V-Twin engine used by Harley ...

  9. Motorcycle components - Wikipedia

    en.wikipedia.org/wiki/Motorcycle_components

    Motorcycle engines range from less than 50 cc (cubic centimetres), commonly found in many small scooters, to 5735 cc, a Chevrolet V8 engine, currently used by Boss Hoss in its cruiser style motorcycle. Motorcycles have mostly, but not exclusively, been produced with one to four cylinders, and designers have tried virtually every imaginable layout.