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F2.5B

Key Features

Features Gallery
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    New looks - and new combustion efficiency

    Hidden away under its smart new round cowling, with its three-position storage capability (stand it on either side or on the front) are a host of engine improvements that make the F2.5 more efficient. In turn, the improved combustion efficiency makes this remarkable engine quieter and more economical - with lower exhaust emissions.

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    Convenient user-friendly gear and throttle controls

    A full size shift lever is normally found only on larger engines, but the ability to engage gear so easily and precisely is a real plus for the F2.5. In fact, the convenient positioning of all the key controls, combined with the ease and precision of the 360º steering system, helps put ultimate control at your fingertips.

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    360º steering for instant direction changes

    The first time you take the F2.5 out on the water, you'll quickly appreciate how agile it is. The full 360º steering offers exceptional manoeuvrability and means full reverse thrust is always available without having to shift gears. In addition, the new, larger rear carrying handle is very convenient for steering in reverse.

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    Built-in see-through fuel tank

    When you plan a trip, it's nice to know you''ll have room for all the necessary gear. To give you more space inside your boat, the F2.5 has a built-in fuel tank, eliminating the need for a separate one on the floor. What's more, the new tank is a special see-through design that allows you to keep an easy check on the fuel level at all times.

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    Strong tiller handle with comfortable twist-grip throttle

    The latest F2.5's tiller handle, featuring a new, large and comfortable twist-grip throttle, allows easy control of the engine, while the side-mounted shift selector is also very convenient to use. The result is superb handling and manoeuvrability. The kill switch and throttle cable are integrated into the design.

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    Convenient steering friction adjustment

    You'll find the F2.5 incredibly easy to handle, thanks to its many user-friendly control features, but it also has handy controls for steering friction and throttle adjustment. This allows both steering and throttle to be adjusted easily when you're out on the water and provides great stability and control, even at higher speeds.

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    Yamaha's Ideal Anti-corrosion Protection

    You need an engine you can rely on - and Yamaha outboards are renowned for their durability and how well they hold their value. Our unique YDC-30 aluminium alloy protects the engine's exterior parts, while a zinc coating, high-quality stainless steel and 5-stage exterior coating system offer long-lasting protection - inside and out.

Technical Specifications

Download Factsheet
  • Engine
    Engine type
    4-stroke
    Displacement
    72 cm³
    No. of cylinders/Configuration
    1, OHV
    Bore x stroke
    54.0 mm x 31.5 mm
    Prop shaft output at mid range
    1.8 / 5,500 rpm
    Full Throttle Operating Range
    5,250 - 5,750 rpm
    Lubrication system
    Splash
    Fuel Induction System
    1-Carb
    Ignition / advance system
    TCI
    Starter system
    Manual
    Gear ratio
    2.08 (27:13)
  • Dimensions
    Transom height
    S433L:560mm
    Weight with propeller
    F2.5BMHS: 17.0kg,F2.5BMHL: 18.0kg
    Fuel tank capacity
    0.9litres(Built-in fuel tank)
    Oil pan capacity
    0.35litres
  • Additional Features
    Control
    Tiller handle
    Trim & Tilt method
    Manual
    Light coil / Alternator Output
    -
    Propeller
    Included
    Remark
    The kW data in this sheet is based on the ICOMIA 28 standard, measured at the prop shaft