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XTO OFFSHORE

Digital: 450 hp, 425 hp

Miles from shore. No land in sight. Nothing on your mind but the adventure ahead and the formidable offshore gamefish that await. That’s the beauty of having a reliable Yamaha 5.6L V8 XTO Offshore® behind you. Purpose-built for the rigors of the offshore, the XTO gives you extreme control, precision and durability—and now up to 450 horses. Go further and with more confidence than ever before—the Yamaha XTO Offshore F450 and F425.

Grey XTO OFFSHORE

Meet the Lineup

450 HP

The XTO Offshore® 450 packs everything boaters love about the original XTO outboard—the durability, power and reliability—plus extra horses. With impressive stats such as 12.3:1 compression ratio for outstanding fuel economy and power and industry-first features such as an integrated electric steering system and Phase Angle Control Charging, it’s purpose-built for the extremes of going offshore.

  • Award-winning Phase Angle Control Charging System
  • Available in signature Yamaha gray or new pearlescent white
  • 450 hp on less-expensive 89-octane gasoline
  • Impressive 5-year Limited Warranty, for pleasure use

425 HP

The XTO Offshore® 425 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 12.2:1 compression ratio for impressive fuel economy and power, 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.

  • Phase Angle Control Charging System an award-winning industry first
  • Available in signature Yamaha gray or new pearlescent white
  • 425 hp on less-expensive 89-octane gasoline
  • Impressive 5-year Limited Warranty, for pleasure use

Product Preview
Product Preview
Product Preview
Product Preview
RELIABLE BY

DESIGN

The XTO Offshore’s award-winning Phase Angle Control Charging System creates up to 96 amps of net charging power per outboard at idle. That’s up to 480 with quints. In addition to powering a range of critical onboard tech, it prioritizes charging to the starting batteries, for incredible reliability offshore.

Features & Benefits

DIRECT-INJECTION FOUR STROKE
DIRECT-INJECTION FOUR STROKE

Maximizes power and efficiency by spraying fuel at high pressure directly into the combustion chamber. 

EXCLUSIVE FUEL SYSTEM
EXCLUSIVE FUEL SYSTEM

A three-stage low-medium-high pressure fuel pump system works, in part, due to two independent, rpm-activated fuel pumps in the Vapor Separator Tank. This unique five-pump system creates an unprecedented fuel injection pressure of up to 2900 PSI to further maximize atomization and efficiency.

IN-BANK EXHAUST
IN-BANK EXHAUST

Intake tracks enter the cylinder head from the outside of the powerhead. This gives exhaust gases room for a direct route to the lower unit and out through the propeller hub, streamlining the powerhead and improving flow.

XTO (SDS) PROPELLERS
XTO (SDS) PROPELLERS

With diameters from 16 to 17 1/8 inches, 15 to 27-inch pitches and increased blade surface, XTO propellers complement the torque potential of our V8 XTO Offshore. They also contribute to greater overall thrust.

RELIABILITY & DURABILITY

Carbon-Coated Lifters

A special carbon coating on shimless, bucket-style valve lifters increases durability and requires less maintenance.