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XTO 425hp V8

£52,400.00

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Model Description


Extreme – Go beyond the next level.

The muscular new shape and dynamic look of the XTO 425hp V8 immediately communicate its incredible industry-first concepts and technologies waiting to be unleashed.

The first direct injection 4-stroke. The first with integral electronic steering, linking seamlessly to Yamaha’s Helm Master® system. The first to achieve a new level of reverse thrust, torque, and speed. It’s a genuine performance revolution for larger boats and an incredible story. Achieve the ultimate. Discover Extreme.

This is a game-changer unlike any other. An outboard that effortlessly combines unrivalled power, torque, and speed with cutting-edge technology and performance.

At a glance

  • Extreme Power – 5.6 L • 32-v • 60º V8 • DOHC • VCT
  • Efficiency – first-ever Direct Injection 4-stroke
  • Precision – built-in electric steer-by-wire system
  • Ultimate control – unique all-electronic systems
  • 300% more reverse thrust from new exhaust system
  • Reliability – tough custom-engineered crankshaft
  • Dependability – new heavy duty gear system
  • New sleek lower unit design with massive gearcase
  • Dual chamber oil pump to handle extreme demands
  • Ultra-convenient in-water gear oil change facility
  • High Output charging – for more output at low rpm
  • Ideal for heavy boats and RIBs – XTO OS propellers

    • Model Specification


    • Engine

      Engine Type

      4-stroke

      Displacement

      5559cc

      No. of cylinders/configuration

      60°-V8, 32-valve, DOHC with VCT

      Bore x stroke

      96.0 x 96.0

      Prop shaft output at mid range

      316.9kW / 5,500 rpm

      Full throttle operating range

      5,000-6,000 rpm

      Lubrication system

      Direct Fuel Injection

      Carburettors

      TCI

      Ignition / advance system

      Electronic ignition (TCI)

      Starter system

      Electric

      Gear ratio

      1.79 (25:14)

      Fuel tank capacity

      Steering

      Throttle and shift controls

      Trim & tilt method

      Power Trim & Tilt

      Lighting Coil / Alternator

      12V-90A with rectifier/regulator

      Propeller

      Optional

      Max Thrust (kg)

      Amp Draw

      Voltage

      Control

      Drive By Wire (DBW)

      Valves

      Cam

    • Dimensions

      Recommended boat transom height

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

      Weight without propeller

      442 – 463 kg

      Oil pan capacity

      7.8 l

      Weight

      7

      Shaft Length

    • Other

      Warranty

      2 Year