Buy 2014 Mercury Verado 300 XXL outboard
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Mercury

2014 Mercury Verado 300HP XXL 30

$7,400.00$7,900.00Save $500.00

2014 Mercury Verado 300HP four-stroke EFI outboard, XXL 30″ shaft with electronic start and digital throttle/shift.

Horsepower

300 HP

Fuel Type

gasoline

Year

2014

Hours

723

Displacement

4.6L

Stroke

4-stroke

Rated Output

224 kW/ 300 mph

Rated Speed

6400rpm

In Stock (2 available)
Free shipping on orders over $500
90-day warranty included

Description

The 2014 Mercury Verado 300HP XXL outboard is a high-performance four-stroke outboard motor designed for larger boats requiring strong acceleration, efficiency, and smooth power delivery. It features advanced fuel injection, SmartCraft digital controls, and a long 30″ (XXL) shaft for deep transom installations.

Specifications

SKUM9013
BrandMercury
CategoryOutboard Engines
ConditionUsed
Horsepower300 HP
Fuel Typegasoline
Year2014
Displacement4.6L
No. of Cylinders8 cylinders
Stroke4-stroke
Shaft Length30
Weight704.00 lbs
Hours723
Rated Output224 kW/ 300 mph
Rated Speed6400rpm
Cylinder Bore x Stroke92 mm × 86 mm
Combustion SystemElectronic Fuel Injection (EFI), Four-Stroke
AspirationSupercharged with Charge Air Cooler (CAC)
Alternator70- amp
Dry Weight319 kg / 704 lbs
ControlsDigital Throttle & Shift (DTS)

Frequently Asked Questions

What type of engine is the 2014 Mercury Verado 300 HP?

It’s a 300 horsepower, 4-stroke Mercury Verado outboard engine with electronic fuel injection and advanced marine features. The “XXL” refers to the 30″ shaft length for taller transoms.

What is the engine configuration and displacement?

This Verado model uses a V8 four-stroke engine with a 4.6 L displacement, delivering strong torque and smooth power delivery.

What shaft length does the “XXL” designation mean?

The XXL designation indicates a 30-inch (762 mm) shaft—ideal for boats with deeper transoms where standard shafts don’t reach properly.

What fuel system and starting system does it use?

It uses Electronic Fuel Injection (EFI) for efficient combustion and Smart Start electric start for reliable cold and warm starts.

What type of steering and controls does this engine support?

This engine supports electro-hydraulic power steering and Digital Throttle & Shift (DTS) for smooth control and precise throttle response.

What fuel does the Verado 300 require?

It runs on unleaded gasoline (minimum 87 octane), and can tolerate up to 10% ethanol (E10), though higher quality fuel can improve performance and longevity.

What is the recommended oil and maintenance interval?

Use Mercury Verado-approved marine oil as specified in the owner’s manual. Typical maintenance includes oil changes, gear lube checks, anode inspection and scheduled service at regular hour intervals.

Is the Verado 300 HP XXL suitable for saltwater use?

Yes — Verado outboards come with marine-grade corrosion protection, including premium materials and sacrificial anodes for reliable saltwater performance.

Is the Verado 300 HP quiet and smooth?

Yes — Verado outboards use advanced systems like the Advanced MidSection (AMS) to minimize vibration and noise, giving a smoother and quieter ride than many other outboards.

What are common maintenance needs for a 2014 Verado 300?

Oil & filter changes (every ~100 hours or annually) Lower unit gear oil change Impeller and thermostat checks Fuel system and spark plug inspections Following regular service intervals improves longevity and performance.

How reliable is the Verado 300 HP?

With proper maintenance, Verado engines are known to last over 2,000+ hours or more. Longevity depends on operating habits, maintenance history, and storage conditions. Some users report wiring or supercharger seal concerns if not maintained well.

Does it integrate with modern electronics?

Yes — it’s compatible with Mercury SmartCraft digital technology, allowing integration with gauges, VesselView displays, and performance monitoring systems.

How important is freshwater flushing after saltwater use?

Extremely important: flushing with clean water after saltwater operation helps remove salt and prevent corrosion, especially around cooling passages and anodes.

What boats is the 300 HP Verado XXL best suited for?

Service and maintenance records Compression and overheating signs Corrosion or saltwater damage Function of steering, trim, and gauges Any water intrusion or wiring issues Proper inspection helps avoid unexpected repairs.