Built for life on the water, the Yamaha 425 HP LXF425XSA2 Outboard Motor offers 425 HP of responsive power, easy electric starting, and corrosion-resistant construction designed for years of trouble-free service in fresh or saltwater.
Key highlights:
425 HP Yamaha power for confident acceleration and cruising
Four-stroke engine with electronic fuel delivery for efficiency and reliability
Corrosion-resistant, marine-grade construction built to last
Backed by Shop Outboard Motors — authorized dealer, fast nationwide shipping, financing available
Order from Shop Outboard Motors — an authorized dealer offering competitive prices, 2–5 day nationwide shipping, secure checkout, financing, and trade-in acceptance on your current motor.
Yamaha 425 HP LXF425XSA2 Outboard Motor: Power, Efficiency & Reliability on the Water
When it’s time to repower or upgrade, the Yamaha 425 HP LXF425XSA2 Outboard Motor stands out as a smart, dependable choice. Its four-stroke engine delivers consistent thrust, quiet running, and the durability that Yamaha engines are known for worldwide.
At Shop Outboard Motors, an authorized outboard dealer, every unit ships nationwide in 2–5 business days in protective crating. Secure checkout, financing options, and trade-in acceptance make upgrading easier than ever. Brand new and factory-sealed, it arrives ready for installation and years of dependable service.
Key Features of the Yamaha 425 HP LXF425XSA2 Outboard Motor
1. Quiet, Smooth, Low-Maintenance Operation
Enjoy peaceful cruising and easy upkeep: accessible filters and service points simplify oil changes and inspections, protecting your investment for the long haul.
2. 425 HP of Proven Yamaha Power
With 425 HP on tap, acceleration is crisp and top-end speed is impressive. It provides ample power for a wide range of hulls while remaining smooth and controllable at trolling speeds.
3. Advanced Four-Stroke Efficiency
The four-stroke engine runs cleaner and quieter than older designs, with electronic fuel injection optimizing the air-fuel mixture for strong throttle response and reduced fuel consumption.
4. Effortless Starting & Control
Starting is quick and reliable thanks to the electric system — so you spend more time boating and less time preparing.
5. Shaft Length Matched to Your Transom
The 25″ shaft length suits taller transoms and deeper hulls, ensuring proper water intake, cooling, and propeller bite for confident handling.
6. Built for the Marine Environment
Corrosion-resistant alloys, protective coatings, and marine-grade hardware stand up to salt spray and constant exposure — season after season.
Yamaha 425 HP LXF425XSA2 Outboard Motor Specifications
Engine Type: Yamaha 425 HP LXF425XSA2
Horsepower: 425 hp
Cylinders: 8 cyl
Displacement: 5559cc
Full Throttle Range: 5000 – 6000 rpm
Shaft Length: 25″
Steering: Integrated Electric
Starting System: Electric
Fuel System: EFI (Electronic Fuel Injection)
Weight: 952 lbs.
Why Choose Shop Outboard Motors?
When you order from Shop Outboard Motors, you get more than an engine: authorized-dealer pricing, protective crating, 2–5 day delivery anywhere in the country, financing options, and a trade-in program for your old outboard. Questions about rigging or shaft length? Our marine experts are one message away.
Frequently Asked Questions About the Yamaha 425 HP LXF425XSA2 Outboard Motor
Can I trade in my current motor toward the Yamaha 425 HP LXF425XSA2 Outboard Motor?
Absolutely. Shop Outboard Motors accepts trade-ins on outboards of any age or brand — the value of your current engine is applied directly to your purchase.
How do I know the engine will fit my boat?
Match the shaft length to your transom height and confirm the horsepower is within your boat’s capacity rating (shown on the capacity plate). Our team can help verify fitment before you order.
What maintenance does this outboard need?
Routine care is simple: change the engine oil and gear lube every 100 hours or annually, inspect filters and the cooling system, grease moving points, and flush with fresh water after saltwater use.
Is this outboard suitable for saltwater?
Yes. With corrosion-resistant construction it handles saltwater well — just rinse with fresh water after each trip and inspect the sacrificial anodes regularly.
How long will a Yamaha outboard last?
With regular maintenance and proper break-in, a quality outboard typically delivers 1,500–2,000+ hours of service, and many run far longer.
What fuel does the Yamaha 425 HP LXF425XSA2 Outboard Motor use?
Regular unleaded gasoline (87 octane). The fuel-injected system automatically meters the mixture for clean, efficient combustion.
Can I install this outboard myself?
Experienced DIYers can handle basic bolt-on installation, but professional rigging is recommended for steering, controls, and gauges to ensure warranty compliance and safe operation.
