Parts and exploded diagrams for Yamaha 20dmhs - 2004 2-stroke engine

Parts and exploded diagrams for Yamaha 20dmhs - 2004 2-stroke engine

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This page allows you to view the exploded diagrams for the Yamaha 20dmhs - 2004 2-stroke engine and easily identify the parts compatible with your engine.

Yamaha is a well-known brand in the outboard engine industry. It offers engines designed to meet the needs of recreational and professional users, with ranges suited to maintenance, repairs and use in marine environments.

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Select an exploded diagram for your Yamaha 20dmhs - 2004 2-stroke engine

Yamaha 20dmhs - 2004

With an output of 20 HP at 5,500 r/min, the Yamaha 20dmhs - 2004 is powered by a 2-stroke outboard engine. Its 395 cm³ displacement is combined with a 67 × 56 mm bore and stroke, while the full-throttle operating range is 5,000 to 6,000 r/min.

The engine features a CDI ignition system operating with an NGK BR7HS-10 spark plug. Its drive unit includes forward, neutral and reverse positions, as well as a 2.08 (27/13) reduction ratio and a manual tilt system.

The exploded diagrams for the Yamaha 20dmhs - 2004 allow each assembly to be examined before a component is removed or replaced. They help locate engine parts and identify compatible references required for servicing or repairing the ignition, transmission and mechanical systems.

Yamaha 20dmhs - 2004 engine specifications
  • 20 HP output available at the reference engine speed of 5,500 r/min
  • 2-stroke operation with an engine displacement of 395 cm³
  • 5,000 to 6,000 r/min range when operating at full throttle
  • CDI ignition supported by an NGK BR7HS-10 spark plug
  • 2.08 (27/13) reduction ratio combined with forward, neutral and reverse positions

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