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Key Features

Features Gallery
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    High-output alternator - keeps the power coming

    The F25 will be put to a wide variety of tasks, from fishing at night to coastal cruising, so its High-output alternator is a comforting feature, ensuring that power should always be available to start the engine – even after prolonged periods of idling or if you've been running at low revs and using numerous accessories.

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    Now compatible with Yamaha's Digital Network Gauges

    You'll find the new F25 very easy to handle and comfortable to drive, thanks to its many new features. Remote control models for example, are fully compatible with our advanced Digital Network system, which offers the driver a comprehensive selection of information, as well as a more precise and relaxing level of control.

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    Large multi-function tiller handle option

    This great option brings all the engine controls neatly within reach of the driver and provides an even larger tiller for comfortable steering, handling and manoeuvring. Whether pottering around the marina or flying along at the higher speeds this remarkable engine can deliver, it makes the F25 even more enjoyable to own and use.

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    Shallow Water Drive system

    Cruise towards the shore with confidence thanks to Yamaha's 2-position Shallow Water Drive system. Offering ample protection for your propeller, it allows you to get as close as you need to be, no matter whether you're cruising a murky lake or the crystal clear shallows of the sea.

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    Fresh Water Flushing system

    An easy-access connector on the lower cowling allows you to easily flush salt and dirt from the waterways without having to run the engine - just connect a hose and you're ready to go. This is a very efficient way to reduce corrosion and extend the life of your outboard.

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    Easy starting, security - and VTS

    Starting - even from cold or after storage - really is as easy as starting a car. Exclusive to Yamaha, the combination of our legendary PrimeStart™ and new battery-less EFI systems ensures that your engine fires up first time, every time. What's more, you can choose VTS (Variable Trolling Speed) and Y-COP immobiliser security options too.

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    Unique power-to-weight performance

    This new-generation twin cylinder, 4-valve engine is around 25% lighter, delivering unprecedented power for such a portable unit. Easy starting and smooth running are assured by the battery-less EFI system and a choice of electric, manual or electric/manual starting options are available.

Technical Specifications

Download Factsheet
  • Engine
    Engine type
    4-stroke
    Displacement
    432 cm³
    No. of cylinders/Configuration
    2/In-line, SOHC
    Bore x stroke
    65.0 mm x 65.1 mm
    Prop shaft output at mid range
    18.4 / 6,000 rpm
    Full Throttle Operating Range
    5,000 - 6,000 rpm
    Lubrication system
    Wet sump
    Fuel Induction System
    EFI
    Ignition / advance system
    CDI
    Starter system
    Electric/ Manual (WH), Manual (MH), Electric (E, ET) with Prime Start™
    Gear ratio
    2.08 (27:13)
  • Dimensions
    Transom height
    S424L:551mm
    Weight with propeller
    F25GMHS: 57.0kg,F25GMHL: 59.0kg,F25GES: 56.0kg,F25GEL: 58.0kg,F25GETL: 64.0kg,F25GWHS: 60.0kg,F25GWHL: 62.0kg
    Fuel tank capacity
    separate, 25litres
    Oil pan capacity
    1.1litres
    Weight without propeller
  • Additional Features
    Control
    Remote control (E, ET), Tiller handle (MH + WH)
    Trim & Tilt method
    Power Trim & Tilt (ET), Manual Tilt (MH, E + WH)
    Light coil / Alternator Output
    12V -16A
    Engine immobilizer
    YCOP optional
    Propeller
    Included (MH, WH), Optional (E, ET)
    Variable Trolling Speed
    With DN Gauges or m-f tiller handle
    Steering
    Tiller handle, Remote Control
    Remark
    The kW data in this sheet is based on the ICOMIA 28 standard, measured at the prop shaft
  • Electric-Drive Technical specs
  • Hydra-Drive engine specifications