Yamaha XF450XSA2 Outboard Motor. 25-Inch Shaft 5.6-Liter V8 Digital Electronic Control Electronic Fuel Injection Electric Start Power Trim and Tilt Pearl White. The Yamaha XF450XSA2 is the Pearl White, 25-inch shaft version of Yamaha's flagship 450-horsepower offshore outboard. Powered by the massive 5.6-liter V8 platform, this outboard delivers relentless horsepower, torque, and offshore reliability. Its Pearl White finish adds a premium look for high-end center consoles, luxury fishing boats,