Yamaha 425-hp XTO Offshore
Yamaha Motor Co.
ARE YOU READY TO TAKE IT TO THE EXTREME?
Discover how Yamaha’s all-new 5.6L V8 XTO OFFSHORE Outboard offers extreme:
- POWER AND THRUST
- TOUGHNESS AND RELIABILITY
- SYSTEM INTEGRATION
- CONTROL, CONVENIENCE & CARE
The 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 171/8 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.
Read more here.
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