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  2. Outboard motor - Wikipedia

    en.wikipedia.org/wiki/Outboard_motor

    Mercury Marine, Mercury Racing, Tohatsu, Yamaha Marine, Nissan and Evinrude each developed computer-controlled direct-injected two-stroke engines. Each brand boasts a different method of DI. Fuel economy on both direct-injected and four-stroke outboards measures from a 10 percent to 80 percent improvement compared with conventional two-strokes ...

  3. Yamaha SuperJet - Wikipedia

    en.wikipedia.org/wiki/Yamaha_SuperJet

    On August 12, 2020 Yamaha released the new 2021 SuperJet. This is the first complete redesign from the ground up since the introduction in 1990, and marks 30 years of SuperJet history. The hull is entirely new and it is now powered by Yamaha's 1,049cc three-cylinder four-stroke TR-1 marine engine.

  4. Yamaha Genesis engine - Wikipedia

    en.wikipedia.org/wiki/Yamaha_Genesis_engine

    "Cutaway of Yamaha Genesis inline-four 20-valve engine" The DOHC Genesis engine has five valves per cylinder and downdraft carburetors. Yamaha adopted the 5-valve concept, using three intake valves and two exhaust valves per cylinder, because it allowed both excellent volumetric efficiency and high RPM. As designers began to appreciate the ...

  5. Four-stroke engine - Wikipedia

    en.wikipedia.org/wiki/Four-stroke_engine

    Four-stroke cycle used in gasoline/petrol engines: intake (1), compression (2), power (3), and exhaust (4). The right blue side is the intake port and the left brown side is the exhaust port. The cylinder wall is a thin sleeve surrounding the piston head which creates a space for the combustion of fuel and the genesis of mechanical energy.

  6. Ford SHO V8 engine - Wikipedia

    en.wikipedia.org/wiki/Ford_SHO_V8_engine

    The Ford Super High Output (SHO) V8 engine was designed and built by Ford Motor Company in conjunction with Yamaha Motor Corporation for use in the 1996 Ford Taurus SHO.It was based on the successful Ford Duratec engine rather than its predecessor, the compact Ford SHO V6 engine developed by Yamaha for the 1989 Taurus SHO.

  7. Outboard Marine Corporation - Wikipedia

    en.wikipedia.org/wiki/Outboard_Marine_Corporation

    OMC said that the reduction in force affects approximately 4,000 employees at its boat and engine operations in North America. Outboard Marine Corporation is a leading manufacturer and marketer of internationally known boat brands, including Chris-Craft(R), Four Winns(R), Seaswirl(R), Javelin(R), Stratos(R), Lowe(R), Hydra-Sports(R) and ...