Mercury 15HP F15 EFI FourStroke Outboard Engine

Mercury 15HP F15 EFI FourStroke Outboard Engine

The Mercury 15hp FourStroke EFI outboard delivers dependable power, smooth performance and excellent fuel efficiency in a compact, easy-to-manage package. Ideal for small fishing boats, tenders, aluminium boats and sailing yacht auxiliaries, it offers the extra push of a 15hp engine while remaining lightweight and simple to live with.

Turn the key and you’re away. Mercury’s Electronic Fuel Injection (EFI) system ensures instant starts, smooth throttle response and efficient fuel use in all conditions. No choke. No fuss. Just reliable performance every time you head out.

Mercury 15HP F15 EFI Available Variants

MH EFI - standard shaft, manual tilt
MLH EFI - long shaft, manual tilt
ELPT EFI - extended shaft, power tilt

Built using Mercury’s proven marine engineering, the 15hp FourStroke combines durability, corrosion resistance and smart maintenance features to deliver an outboard you can rely on season after season.

Instant Starts with Electronic Fuel Injection (EFI)

Mercury’s EFI technology automatically adjusts the fuel mixture for optimal performance.

That means:

• Reliable starting in hot or cold conditions
• Smooth, responsive acceleration
• Improved fuel efficiency and cleaner running

From quiet estuary fishing trips to harbour runs and coastal exploring, the engine delivers consistent, dependable power.

Compact Power with Lightweight Design
Despite delivering 15 horsepower, this outboard remains impressively manageable at just 45kg (lightest model).

Its compact footprint makes it well suited to boats where weight and balance matter.

• Lightweight inline-2 engine design
• Easy installation on small craft
• Smooth and predictable throttle response

You get strong performance without the bulk of larger engines.

Built for Easy Ownership

Mercury designed the 15hp FourStroke to keep servicing straightforward and hassle-free.

Features include:

• No-spill oil change system
• Easy-access fuel filter
• Lifetime maintenance-free valve train

Routine maintenance is quick and simple, helping keep running costs down and time on the water up.

Strong Corrosion Protection

Saltwater boating demands serious durability. Mercury outboards are built to handle it.

The 15hp FourStroke includes:

• Advanced corrosion-resistant alloys
• Protective coatings and sealed electronics
• Freshwater flush system for easy rinsing

These features help protect internal components and extend engine life in demanding marine environments.

Efficient and Practical for Everyday Boating

The 333cc inline-2 cylinder engine delivers strong low-end torque and steady power, making it well suited to a wide range of smaller boats.

Common applications include:

• Fishing boats
• Tenders and dinghies
• Aluminium boats
• Sailing yacht auxiliary engines

A 12L remote fuel tank provides excellent operating range for longer trips without frequent refuelling.

Mercury 15hp FourStroke EFI Specifications

• Engine type: Inline 2-cylinder
• Horsepower: 15hp (11.1kW)
• Displacement: 333cc
• Fuel system: Electronic Fuel Injection (EFI)
• Starting: Electric start
• Alternator output: 12 amp / 145 watt (electric models)
• Fuel tank: 12L remote tank
• Trim system: Manual trim, optional power tilt
• Dry weight: From 45kg
• SmartCraft compatibility: No

Why Choose the Mercury 15hp FourStroke?

The Mercury 15hp FourStroke EFI offers a great balance of power, efficiency and reliability. It’s a strong step up from smaller portable engines while still remaining compact, lightweight and easy to maintain. For boaters looking for a reliable 15hp outboard engine with smooth EFI performance and excellent fuel economy, it’s a proven and practical choice.