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Featuring the new New XTO Offshore® 450, with industry-first technology like a direct-injection four-stroke powerhead, an award-winning charging system and integrated all-electric steering.

Learn more about the new XTO Offshore® 450, with industry-first technology like a direct-injection four-stroke powerhead, an award-winning charging system and integrated all-electric steering.

The XTO Offshore lets you go further, faster and with more confidence than ever before. With industry-first technology like a direct-injection four-stroke powerhead and an all-electric steering system, it's so much more than an outboard. It's a fully integrated power system.

OFFSHORE POWER AND PERFORMANCE LIKE YOU’VE NEVER EXPERIENCED The Yamaha XTO Offshore delivers so much thrust and power that it’s inspired an entirely new class of 50-foot-plus boats. It moves those rigs more reliably and efficiently, with a naturally aspirated big block, and the industry’s first direct-injection four stroke. Combine that with propellers designed to complement the torque potential of the XTO for greater overall thrust, and you’ve got extreme, unparalleled performance for the yacht class.

TAKING OUTBOARD TOUGHNESS TO THE EXTREME The Yamaha XTO Offshore sets new standards for reliability with its revolutionary engineering, proven technology and enhanced, high-quality components. It’s things like plasma fusion, carbon coating, an oversized gearcase, hardened gears, heavy-duty mounts and industry-first electric steering that ensure the XTO Offshore withstands the harshest conditions and safely gets you back to port.

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. -NEW for 2020 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 -Compatible with Helm Master® EX -Impressive 5-year Limited Warranty, for pleasure use

OUTBOARD IS AN UNDERSTATEMENT. The Yamaha XTO is a fully integrated power system. It’s the first of its kind to have an integrated electric steering unit. With no mechanical pump, hydraulic lines or linkages, it’s more responsive and precise than conventional steering systems. Combine it with Helm Master® EX including available Auto Pilot and Yamaha’s CL5 or CL7 touchscreen display, and you’ll be in complete control.

Medium pressure fuel filter replacement Yamaha XTO

How to Maintain your Yamaha XTO. Maintenance Matters!

See how easy it is to change lower unit gearcase oil in the Yamaha XTO Offshore.

These are the procedures to remove the cowling and access panels from the XTO.

This is the process for maintaining the gearcase on the XTO Offshore

These are the procedures for installing the XTO propeller.

This is a tutorial to show the procedures if fuel is run to completely empty

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.

This 5.6 liter V8 is more than an outboard. It's an integrated power system.

REVOLUTIONARY DESIGN. EXTREME CONVENIENCE. Thanks to ingenious design and engineering, boats powered by the XTO Offshore can remain dockside for lower-unit service. It’s all because of a unique gearcase lubricant exchange system that allows maintenance in the water, as well as conveniences like a multi-part cowling system and flexible rigging. And with exhaust routed away from propellers below 2,500 RPM, the XTO OS propeller bites clean water, resulting in up to 300 percent more reverse thrust than the Yamaha F350.