Yamaha 300 HP LF300UCA2 Outboard Motor

Yamaha 300 HP LF300UCA2 Outboard Motor: Power, Efficiency & Reliability on the Water

The Yamaha 300 HP LF300UCA2 Outboard Motor is built for boaters who refuse to compromise on power, efficiency, or reliability. Equipped with four-stroke engine technology, it delivers smooth, responsive performance in everything from calm inland waters to demanding offshore conditions.

Order the Yamaha 300 HP LF300UCA2 Outboard Motor from Shop Outboard Motors and enjoy fast nationwide delivery in 2–5 business days, secure checkout, and flexible financing. Brand new and factory-sealed, it arrives ready for installation and years of dependable service.

Key Features of the Yamaha 300 HP LF300UCA2 Outboard Motor

1. Shaft Length Matched to Your Transom

The 30″ shaft length suits taller transoms and deeper hulls, ensuring proper water intake, cooling, and propeller bite for confident handling.

2. 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.

3. 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.

4. 300 HP of Proven Yamaha Power

With 300 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.

5. 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.

6. Effortless Starting & Control

Starting is quick and reliable thanks to the weight: 575 lbs. system — so you spend more time boating and less time preparing.

LF300UCA2 Specifications

• Model: LF300UCA2
• Engine Type: Yamaha 300 HP LF300UCA2
• Horsepower: 300 hp
• Cylinders: 6 cyl
• Displacement: 4169cc
• Full Throttle Range: 5000 – 6000 rpm
• Shaft Length: 30″
• Steering: Remote Mech
• Starting System: Weight: 575 lbs.
• Fuel System: EFI

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 300 HP LF300UCA2 Outboard Motor

Is the Yamaha 300 HP LF300UCA2 Outboard Motor in stock and how fast will it ship?

Yes — in-stock units ship from Shop Outboard Motors nationwide within 2–5 business days in protective custom crating. You’ll receive tracking as soon as your order leaves our facility.

Does Shop Outboard Motors offer financing on the Yamaha 300 HP LF300UCA2 Outboard Motor?

Yes. We offer a secure checkout with financing applications available, so you can spread the cost of your outboard over manageable monthly payments.

Can I trade in my current motor toward the Yamaha 300 HP LF300UCA2 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.