Yamaha 450HP LXF450ESA XTO Offshore Counter Rotation Outboard – 35″ Shaft, Digital Controls

Yamaha LXF450ESA 450HP Outboard Motor

The Yamaha 450HP LXF450ESA solves counter-rotation torque steer and deep-transom mounting requirements through its specialized 35-inch shaft and left-hand rotation gearcase. This engineering solution provides balanced handling for multi-engine offshore vessels by eliminating propeller ventilation during high-speed maneuvers. The 5.6L V8 powerhead features a 1.79:1 gear ratio to drive large diameter propellers efficiently across heavy-duty hulls. Mechanical drag is minimized through advanced hydrodynamic casing to ensure that all available energy translates into forward propulsion for professional mariners in deep-sea conditions.

Yamaha 450HP LXF450ESA engineering complies with EPA Tier 3 and CARB 3-Star standards for environmental duty while providing massive 450HP offshore output. The integration of sacrificial anodes and YDC-30 aluminum alloy provides a primary defense against electrolytic saltwater corrosion in the internal cooling passages. A 90-amp alternator provides consistent electrical current for high-draw navigational suites and digital flight-by-wire controls during extended idling. This robust thermal architecture prevents component fatigue during wide-open throttle operation in high-ambient temperature marine environments to ensure long-term structural reliability.

Key Features of Yamaha 450HP LXF450ESA

• 450HP 4-stroke delivers consistent low-end torque
• Electronic Fuel Injection cuts fuel consumption 15%
• 1036 lbs chassis optimizes transom weight distribution
• 35 inch shaft clears deep-V transoms
• Electric start ensures instantaneous cold weather ignition
• Dual chamber cooling prevents internal saltwater corrosion
• 5 year warranty includes nationwide service network