XTO 425hp V8

XTO 425hp V8

An unparalleled revolutionary concept. An outboard that combines unparalleled levels of power, torque and speed with cutting-edge technology and performance.

Premium
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The first 4-stroke outboard engine with direct injection.

Go beyond the next level.

The robust new design and dynamic look of the XTO 425hp V8 immediately convey its incredible concepts and technologies, industry firsts waiting to realize their full potential.

The first 4-stroke outboard with direct injection. The first with a fully integrated boat control system in Yamaha's Helm Master® system. The first to offer a level of reverse thrust, torque and speed without torque.

A revolution in big boat performance with a story worth telling. Explore the limits. Go to the extreme.

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XTO 425hp V8

Premium

Color

Shaft length

Propeller rotation

Start-up method & Tilt System

Control method

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Engine

  • Engine type

    4 times

  • Displacement

    5559 cc

  • No. of cylinders/configuration

    60°-V8, 32-valve, DOHC with VCT

  • Diameter x stroke

    96,0 x 96,0

  • Propeller shaft power at half revolutions

    316.9 kW/5500 rpm

  • Full throttle operating range

    5000-6000 rpm

  • Lubrication system

    Direct Fuel Injection

  • Ignition / advance system

    TCI

  • Start-up system

    Electric

  • Gear ratio

    1.79 (25:14)

Dimensions

  • Recommended transom height

    X: 640 mm U: 767 mm E: 894 mm

  • Oil sump capacity

    7.8 liters

  • Weight without propeller

    442 - 463 kg

Additional features

  • Control

    Electronic Control (DBW)

  • Trim and Tilt Method

    Electric lighting and trimming

  • Lighting coil / alternator

    12 V-90 A with rectifier/regulator

  • Propeller

    Optional

  • Counter Rotation Model

    Available on X, U and E

  • Shallow Water Drive

    Standard

  • Tilt limiter

    Standard

  • Digital Network Gauge II (CL7)

    Optional

  • Silent Shift System (SDS)

    Optional

  • Full tilt up angle

    77°

  • Remarks

    The kW data in this sheet are based on the ICOMIA 28 standard, measured on the propeller shaft.

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