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XF425 V8

XF425 V8

The XTO Offshore® is the result of years of collaboration with top boat designers, and has been built from the ground up to provide the ultimate in power and efficiency offshore. With impressive stats such as the highest compression ratio on the water, industry firsts such as an electric steering system, and engineering touches such as iridium spark plugs and quad thermostats, it’s purpose-built for extreme power, durability, control and reliability.

  • Available in signature Yamaha gray or new pearlescent white
  • 425 hp on less-expensive 89-octane gasoline
  • Available with Helm Master® with SetPoint
  • Impressive 5-year Limited Warranty, for pleasure use

Description

Yamaha has built an enviable reputation for building highly reliable, technology driven, big horsepower engines. We have now taken this to the extreme with the release of the all-new 425 horsepower, Yamaha XTO Offshore outboard.

This beast of an engine has been designed from the ground up to deliver maximum power and thrust. Powered by a big bore, 5.6 litre, naturally aspirated engine, the XTO Offshore opens up a whole new class of large outboard driven boats, delivering a more reliable, fuel efficient and premium quality engine solution. The XTO Offshore is not only our most powerful outboard, it is also our most technologically advanced, with the introduction of Yamaha’s first fully integrated power system.

This system combines a revolutionary fully integrated electric steering system, with our premium CL7 multifunction display, advanced ‘drive-by-wire’ throttle controls and Helm Master joystick docking and positioning controls – creating a truly effortless boating experience. Other key features include an in-water gear lube change system, oversized rugged gear case and hardened gears, massive 90 Amp power-generation system and large diameter XTO OS high thrust prop.

Presented in a very stylish, compact and powerful looking package, this outboard is sure to be the envy of every boat owner.

Engine

Engine TypeV8 / DOHC / 32 valves / 4 Valves per Cylinder
Displacement5.6L
Bore x Stroke96 x 96 mm (3.78 x 3.78 in)
Prop Shaft Horsepower425hp at 5500 RPM
Full Throttle RPM Range5000 – 6000 RPM
Alternator Output at W.O.T.90 Amp Gross, Max
Compression Ratio12.2:1
Fuel Induction SystemDirect Injection / Up to 2900 PSI
Weight*432 kg (952 lbs) / 443 kg (977 lbs) / 453 kg (999 lbs)
Recommended Engine OilYamalube® 4M (See owner’s manual)
Recommended Fuel FiltrationYamaha 10-Micron Fuel / Water Separating Filter (external)

Dimensions

Transom Height (mm [inch])X: 640 [25.1] | U: 767 [30.1] | E: 894 [35.1]

Dry Weight (kg)X: 442 | U: 453 | E: 463

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