Parts and exploded diagrams for Yamaha 25b - 2002 2-stroke engine

Parts and exploded diagrams for Yamaha 25b - 2002 2-stroke engine

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This page allows you to view the exploded diagrams for the Yamaha 25b - 2002 2-stroke engine and easily identify the compatible parts for your engine.

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

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Select an exploded diagram for your Yamaha 25b - 2002 2-stroke engine

Yamaha 25b - 2002 engine 25 HP 2-stroke

Yamaha 25b - 2002

With an output of 25 HP, the Yamaha 25b - 2002 features a 2-stroke in-line two-cylinder configuration. Its 496 cm³ displacement and 72.0 x 61.0 mm bore and stroke enable it to produce 18.4 kW at the propeller shaft at 5,000 rpm.

This engine uses a carburettor fuel system and a lubrication system requiring fuel and oil to be pre-mixed. Depending on the version, it may be operated by remote control or a tiller handle and equipped with either manual starting or a combined manual and electric starting system. Tilt operation is manual, while dry weight ranges from 53 to 57 kg.

When preparing maintenance or repair work, the exploded diagrams provide a detailed view of the Yamaha 25b - 2002 mechanical assemblies. They make it easier to locate each component and confirm the references of the correct compatible parts before working on the engine.

Yamaha 25b - 2002 engine specifications
  • 496 cm³ displacement shared between two cylinders arranged in line
  • Maximum output of 18.4 kW equivalent to 25 HP at 5,000 rpm
  • Carburettor supplying the engine with its air-fuel mixture
  • Model-dependent controls available as remote control or tiller handle
  • Dry weight from 53 to 57 kg depending on the engine configuration

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