Yamaha XF450ESA Outboard Motor. 35-Inch Shaft 5.6-Liter V8 Digital Electronic Control Electronic Fuel Injection Electric Start Power Trim and Tilt Gray. The Yamaha XF450ESA is the extra-long shaft version of Yamaha's most powerful outboard, the 450-horsepower 5.6-liter V8. Built for offshore boats with deep transoms, this model delivers extreme horsepower and torque with Yamaha's legendary reliability. The XF450ESA provides commanding offshore performance for large center consoles, heavy fishing