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XTO 425hp V8

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.

At a glance

  • Extreme Power - 5.6L • 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
Full Features & Techspecs

XTO 425hp V8

Whether you enjoy the thrill of water sports or just relaxing on your boat, choose the engine that helps you get more out of your time on the water.

XTO 425hp V8 XTO 425hp V8
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