2004 Engine Preview Page 17

Engines — Elizabeth Ginns Britten, Capt. Ken Kreisler, and Capt. Patrick Sciacca

2004 Engines Preview
Diesels: Yanmar

 More of this Feature
Part 1: Engine Overview

  • Evinrude/Johnson
  • Honda
  • Mercury
  • Nissan/Tohatsu
  • Suzuki
  • Yamaha

  • Bugatti Marine
  • Cummins MerCruiser
  • Deutz
  • John Deere
  • Lugger
  • MAN
  • MTU
  • Steyr
  • Volvo Penta
  • Yanmar

    Diesel Gensets
  • Caterpillar
  • Kohler
  • Northern Lights
  • Onan
  • Westerbeke

  • Crusader
  • Mercury
  • Volvo Penta

    Gasoline Gensets
  • Onan
  • Westerbeke

  •  Related Resources
    • Engines Editorial Index
    • Engines Resources Index

    Yanmar Diesel has just upped its horsepower range with the new 900-hp 8SY-STP and 720-hp 6SY-STP.

    The smaller of the two, the 6SY-STP, was unveiled at last year’s Miami International Boat Show and is a four-stroke, direct-injection, in-line six-cylinder engine with a continuous rating of 575 hp at 2100 rpm and a maximum output of 720 hp at 2300 rpm. It measures just 56"x34"x41" and weighs 2,560 pounds.

    Having made its U.S. debut at the 2003 Fort Lauderdale International Boat Show, the 8SY-STP is a 16-liter, twin turbocharged and intercooled V-8 designed for more power with less weight, maximized torque at low revs, improved fuel economy, reduced emissions, and simplified servicing.

    Both engines feature an Engine Management System (EMS) designed to regulate the entire injection process to ensure optimum combustion and fuel economy while reducing smoke and emissions. Servicing is said to be easy, thanks to the combination of built-in diagnostics with integrated fault-tracing and an engine design with easy access service points. Yanmar’s unique individual cylinder heads are light enough to be removed and replaced by one person.

    Yanmar Phone: (847) 541-1900. www.yanmar.com.

    Next page > 2004 Engine Preview: Caterpillar >

    This article originally appeared in the December 2003 issue of Power & Motoryacht magazine.

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