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Key Features

Features Gallery
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    Yamaha Customer Outboard Protection (Y-COP) option

    Yamaha's unique Y-COP immobiliser system is a simple, easy to use and highly effective option – the neat and simple remote control locks and unlocks the engine at the push of a button. This prevents your outboard engine being taken for an unauthorised joyride, offering you peace of mind when leaving your boat unattended.

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    16-valve, in-line 4 cyl, SOHC, EFI

    The F70's advanced, lightweight powerhead design features a single overhead camshaft (SOHC) with four valves per cylinder, for maximum power and efficiency. A large intake valve area with lightweight pistons and valves give class-leading horsepower-per-litre.

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    Variable Trolling RPM control

    With the press of a button on the optional Digital Network's Tachometer – or via the variable trolling RPM switch on the optional multi-function tiller handle – the driver can adjust the engine speed for relaxed trolling, in precise steps of 50 RPM, between 620 and 900 RPM.

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    Yamaha Digital Network Gauges

    The F70 is compatible with Yamaha’s Digital Network Gauges, giving you the information needed to maximise engine performance and efficiency, including: a Multifunction Tachometer with RPM, Hours Run, Trim Angle, Oil Pressure, Warning lamps and Variable RPM control; and a Speed/Fuel Management Gauge with Speed, Tank Capacity and Fuel Economy.

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    Special high gear ratio 2.33

    The Yamaha F70 provides outstanding 'out of the hole' acceleration, thanks in part to the lower gearcase design which features a high gear ratio of 2.33:1. The extra toughness comes from the fact that all gears (Forward, Reverse and pinion) are specially hardened for increased durability.

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    EFI system for greater efficiency and economy

    Electronic fuel injectors deliver the exact amount of fuel needed for optimum performance and economy. Controlled by the ECM via input from an array of engine sensors, their location just above the intake valves enhances fuel atomisation, resulting in more efficient combustion.

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    Compact shape and solid one-piece top cowling

    With the advanced design and modest overall dimensions of this 4-cylinder unit, our engineers have produced a remarkably compact 996cc powerhouse, but with a low weight that is comparable to a conventional 3-cylinder engine. So the F70 has power-to-weight ratios that make it the ideal choice for a wide range of boats.

Technical Specifications

Download Factsheet
  • Engine
    Engine type
    4-stroke
    Displacement
    996 cm³
    No. of cylinders/Configuration
    4 /In-line, 16-valve, SOHC
    Bore x stroke
    65.0 mm x 75.0 mm
    Prop shaft output at mid range
    51.5 / 5,800 rpm
    Full Throttle Operating Range
    5,300 - 6,300 rpm
    Lubrication system
    Wet sump
    Fuel Induction System
    EFI
    Ignition / advance system
    TCI
    Starter system
    Electric with Prime Start™
    Gear ratio
    2.33 (28:12)
  • Dimensions
    Transom height
    L534X:648mm
    Weight with propeller
    F70AETL: 119.0kg,F70AETX: 121.0kg
    Fuel tank capacity
    separate, 25litres
    Oil pan capacity
    2.1litres
    Weight without propeller
  • Additional Features
    Control
    Remote Control
    Trim & Tilt method
    Power Trim & Tilt
    Light coil / Alternator Output
    12V -15Awith rectifier/regulator
    Engine immobilizer
    YCOP optional
    Propeller
    Optional
    Variable Trolling Speed
    With DN Gauges or m-f tiller handle
    Shift Dampener System (SDS)
    Optional
    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
All information in this catalogue is given for general guidance only and is subject to change without prior notice. Photographs may show boats being driven by professionals and no recommendation or guidance in respect of safe operation or style of use is intended or implied by the publication of these images. Always respect the local maritime regulations. Always wear the recommended personal floatation device and safety equipment when boating.