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  2. 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 ...

  3. Harley-Davidson - Wikipedia

    en.wikipedia.org/wiki/Harley-Davidson

    On February 1, 1994, the company filed a sound trademark application for the distinctive sound of the Harley-Davidson motorcycle engine: "The mark consists of the exhaust sound of applicant's motorcycles, produced by V-twin, common crankpin motorcycle engines when the goods are in use".

  4. 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 ...

  5. Harley-Davidson Panhead engine - Wikipedia

    en.wikipedia.org/wiki/Harley-Davidson_Panhead_engine

    Harley-Davidson Panhead engine at the Harley-Davidson Museum Harley-Davidson panhead motor Replicas of the Captain America bike and Billy Bike at the Harley-Davidson Museum in Milwaukee [1] The Panhead is an overhead-valve Harley-Davidson motorcycle engine, so nicknamed because the rocker covers resembled cooking pans.

  6. Harley-Davidson Evolution engine - Wikipedia

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

    Carburetors were standard on Sportster engines until 2007, when they were replaced by the Delphi Electronic Sequential-Port Fuel Injection (ESPFI) system. A simplified derivative of the engine was used on the Buell Blast entry-level motorcycle from 2000 to 2009. The Sportster engine as used on the Buell Blast was in most ways similar to the one ...

  7. 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.

  8. Harley-Davidson Shovelhead engine - Wikipedia

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

    The Shovelhead engine is a motorcycle engine that was produced by Harley-Davidson from 1966 to 1984, built as a successor to the previous Panhead engine. When the engine was first produced, the Shovelhead had a shallower combustion chamber, larger valve drop for both intake and exhaust, better porting, and stronger valves and pistons.

  9. Vroom - Wikipedia

    en.wikipedia.org/wiki/Vroom

    Vroom (and variant spelling) is an onomatopoeia [1] that represents the sound of an engine revving up. [2] It also describes the act of purposefully operating a motor vehicle at high speeds so as to create loud engine noises. [3] The word is a common early childhood sound, and is used in speech therapy techniques.