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T 25hp

Key Features

Features Gallery
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    Special gear ratios for higher thrust

    The T engines are purpose designed to deliver greater thrust and torque than a conventional engine and their special gear ratios help prevent cavitation and prop slippage. They work in combination with other unique features to provide the ideal power source for boats where load-hauling capability is more important than high speed.

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    Dual-thrust props for maximum power in Forward & Reverse

    The special propellers fitted to the T Models are not only of a larger than normal diameter, but have low pitch blades, designed to maximise thrust in both Forward and - by re-directing the exhaust flow - in Reverse too. This gives greater manoeuvrability, which is especially helpful when handling a heavier boat.

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    Great performance with quiet, low-vibration running

    An acceleration pump combines with a long intake to increase efficiency at low to medium speeds, delivering the power you need, when you need it most. The T 25hp also has a counter balancer and long span mounting, which combine to limit vibrations felt in the boat and a special labrynth exhaust to help decrease noise levels.

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    Extra convenience and driving comfort

    You'll find the T 25hp very easy to control and comfortable to drive, thanks to its many features - from the front-mounted shift lever and single-lever steering friction adjuster to the decompression device for smooth, easy starting. The optional multi-function tiller handle is yet another reason to choose this tough, reliable engine.

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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 T 25hp even more enjoyable to own and use.

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    PrimeStart™ - as easy as starting your car

    Yes, starting your outboard engine is now as easy as starting a car – even from cold. Exclusive to Yamaha, the legendary PrimeStart™ system ensures that the engine fires first time, every time you engage either the Electric or Manual Start.

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    High-output alternator

    Never get left short of electrical power. A High-output alternator is a standard feature on our T series of outboard engines, ensuring that power is always available to start the engine – even after prolonged periods of idling or when you've been running at low revs and using multiple accessories.

Technical Specifications

Download Factsheet
  • Engine
    Engine type
    498 cm³
    No. of cylinders/Configuration
    Bore x stroke
    65.0 mm x 75.0 mm
    Prop shaft output at mid range
    18.4 / 5,500 rpm
    Full Throttle Operating Range
    5,000 - 6,000 rpm
    Lubrication system
    Wet sump
    Fuel Induction System
    Ignition / advance system
    Starter system
    Gear ratio
    2.42 (29:12)
  • Dimensions
    Transom height
    Weight with propeller
    FT25FETL: 92.0kg
    Fuel tank capacity
    separate, 25litres
    Oil pan capacity
  • Additional Features
    Remote Control
    Trim & Tilt method
    Power Trim & Tilt
    Light coil / Alternator Output
    12V -14A
    The kW data in this sheet is based on the ICOMIA 28 standard, measured at the prop shaft