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Mercury FourStroke 300HP Outboard Power Trim & Tilt

X-Long Shaft V8 300HP Outboard

  • 25″ X-long shaft for deep-V boats
  • V8 engine for power and performance
  • 300HP for towing and watersports
  • Low maintenance with advanced technology
  • 5-year warranty for peace of mind

An ideal choice for boaters who demand the best in performance, fuel efficiency, and reliability.

The Mercury FourStroke 300HP outboard is a powerful and versatile engine that is perfect for a wide range of boating applications. It features a 300-horsepower V8 engine that delivers smooth, effortless acceleration. It is also incredibly fuel-efficient.

In addition to its powerful performance and fuel efficiency, the Mercury 300HP is also known for its durability and reliability. The engine is built with high-quality materials and components that are designed to withstand the rigors of boating. The Mercury FourStroke 300HP also features a number of advanced features that help to protect the engine and extend its lifespan, such as a dry sump lubrication system and a corrosion-resistant coating.

What makes this outboard exceptional:

  • 300-horsepower V8 engine delivers smooth, effortless acceleration
  • Fuel-efficient
  • Durable and reliable construction with high-quality materials and components
  • Advanced features that protect the engine and extend its lifespan


Specification Value
Engine Type Mercury 300 V-8 Four Stroke
Horsepower 300hp
Cylinders V-8
Shaft Length 25″ X-Long
Steering Digital Throttle & Shift
Starting Smart Start Electric
Weight 600 lbs
Alternator 115 amp / 1,449 watt with Idle Charge
Full Throttle Range 5200 – 6000 rpm
Displacement 4.6 L
Fuel System Electronic Fuel Injection (EFI)
Fuel Induction System 32-valve, DOHC
Weight 527 lbs



300 HP

Shaft Length

25" (X-Long)



Trim System

Power Tilt


Counter Left, Standard


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Frequently Asked Questions


What is the best type of RIB for me?

The best type of RIB for you depends on your boating needs and preferences. We offer a wide range of RIBs that are perfect for different types of boating activities.

What is the best outboard motor for my boat?

The best outboard motor for your boat depends on the size and weight of your boat, as well as your boating needs. We offer a wide range of outboard motors that are perfect for different types of boats.

How do I maintain my RIB?

To maintain your RIB, you should clean it regularly, check the tubes for leaks or damage, and store it properly when not in use.

How do I maintain my outboard motor?

To maintain your outboard motor, you should change the oil and filter regularly, check the spark plugs and fuel filter, and store it properly when not in use.

How do I winterize my RIB?

To winterize your RIB, you should drain all water from the engine and hoses, add fuel stabilizer to the fuel tank, and store it in a dry place.

What safety equipment do I need on my RIB?

You should have life jackets, flares, a fire extinguisher, a first aid kit, and an emergency beacon (EPIRB or PLB) on board your RIB.

What is the warranty on your RIBs?

Our RIBs come with a manufacturer’s warranty that covers defects in materials and workmanship.

How long does it take to service a RIB?

The time it takes to service a RIB depends on the type of service required. We offer fast and reliable service to get you back on the water as soon as possible.