May 24, 2018

F425_Grey_frontal_3-4_port_highres-400.jpgThe new V8 XTO Offshore outboard is designed to take Yamaha’s premium quality brand position to a higher level with extreme power and thrust, toughness and reliability, system integration, control, convenience, and customer care. Yamaha has achieved many of these extremes by rethinking the outboard and its related systems, and through the application of technologies new to the industry.

“This new flagship outboard is a huge step forward in technology – not just for Yamaha but for the marine industry as a whole,” said Jean-Francois Rioux, National Manager, Marine, Yamaha Motor Canada. “The XTO is an exciting addition that expands Yamaha’s lineup to meet the evolving demand from both boat builders and consumers for outboard power on larger boats.”


Extreme Power and Thrust

Pushing the heaviest offshore boats and yachts requires driving extreme, large propellers, a massive, rugged gear case, and an extreme powerhead. As the first four-stroke powerhead in the outboard industry to use Direct Injection, the XTO Offshore is already a legend, spraying fuel at high pressure directly into the combustion chamber, rather than the intake track, just before the intake valve. This greatly improves atomization and increases the effectiveness of the fuel burn for maximum power and efficiency.

The Direct Injection system features five fuel pumps and injection pressure up to 2900 PSI. The three-stage fuel pressure system is in part comprised of two independent fuel pumps within the Vapor Separator Tank (VST) that activate at specific, individual RPM. This ensures proper fuel flow and delivery, even at very high engine RPM.

Yamaha’s V8 XTO Offshore also boasts the highest compression ratio in an outboard – 12.2:1. This means more “bang” from every spark, as well as better efficiency and power.

The new XTO OS™ propellers for boats and yachts are made to complement the torque potential of the Yamaha V8 XTO Offshore. These new propellers produce more thrust in both forward and reverse, using diameters from 16 to 17⅛ inches. The increased blade surface area is designed for moving big boats and yachts.

The In-Bank™ Exhaust feature means intake tracks enter the cylinder head from outside of the powerhead, allowing space for exhaust gases to have a direct route to the lower unit and out the propeller hub, improving flow.


Extreme Toughness and Reliability

In addition to an oversized gearcase, hardened gears, a robust, offshore bracket and motor mounts, the XTO Offshore outboard features proven plasma fusion technology for durability and lighter weight. The outboard also has a two-stage water pump and dual chamber oil pump, each designed to respond to the heavy loads associated with high RPM operation.

Dual overhead, endurance-driven camshafts on each cylinder bank are connected via a self-tensioning chain immersed in an oil bath for accurate valve timing and long life, delivering quiet and precise connection for proper and consistent valve timing. One sprocket belt engagement means a narrower, more compact overall profile.

Carbon-coated shimless bucket-type valve lifters also increase durability, while a dual-chamber oil pump ensures proper oil flow and delivery at every engine speed.
Plasma fusion replaces conventional steel cylinder liners. The micro-textured surface is 60 percent harder than steel and significantly lighter, contributing to increased displacement without increasing the size of the powerhead. The resulting surface also increases fuel economy by decreasing internal friction.

Spark plugs made from iridium, one of the rarest elements on earth and the second hardest, yield improved throttle response, economy, increased service life and improved power. The new V8 XTO Offshore outboard also features quad thermostats – two thermostats per cylinder bank – for improved flow and better regulation of engine and oil temperature.

A uniquely designed two-stage water pump features a massive rubber water impeller for high pressure and flow. A steel impeller helps provide sufficient water volume even under the most extreme offshore conditions. This configuration provides proper cooling water flow at all RPM and improved temperature control.


Extreme System Integration

The V8 XTO Offshore has integrated electric steering, the first of its kind in any outboard. The integrated steering system has no hydraulic lines or linkages, and responds more quickly than conventional systems to steering inputs. In addition, integrated electric steering means reduced power consumption, clean rigging and a very orderly bilge area.

The new V8 XTO Offshore outboard also features an Integral Electronic Steering Control Unit that receives signals from the steering cylinder position sensor to carry out joystick and steering operation. Functions integrated into the electric steering system on Yamaha V8 XTO Offshore outboards include: joystick calibration, lever sensor, toe-in/out adjust, joystick thrust, lock to lock and steering friction set.


Extreme Convenience, Control and Customer Care

Thanks to an ingenious new exhaust-gas relief system, V8 XTO Offshore propellers bite clean water in reverse, which helps yield reverse thrust up to 300 percent of that developed by Yamaha’s F350. That means easy manoeuvring and more control in docking, particularly when the V8 XTO Offshore is matched with Yamaha’s Fully Integrated Boat Control System, Helm Master®.

Boats powered by the V8 XTO Offshore need go no further than the dock for a lower unit service, thanks to a unique gearcase lubricant exchange system that allows fluid change in the water. In addition, the V8 XTO Offshore also has great charging capabilities, providing up to 90 amps of total (gross) power.

Backed by the best-trained dealer network in the industry and a five-year limited warranty for pleasure use, the V8 XTO Offshore also has the functionality to facilitate a comprehensive maintenance tracking tool.

All of these benefits, coupled with Yamaha’s reputation for great resale value, assure Yamaha V8 XTO Offshore owners will have an experience second to none.


To see the entire lineup of Yamaha Outboards, visit www.yamaha-motor.ca

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