New
Honda15 HP
Honda BF15
2016 · gasoline
$2,200.00
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New
Mercury
Mercury 115HP
$9,900.00
A 115 HP four‑cylinder four‑stroke Mercury outboard with EFI and multiple shaft lengths suited for recreational and commercial boating.
Horsepower
115 HP
Fuel Type
gasoline
Year
2019
Displacement
2.1L
Stroke
4-stroke
Rated Output
85.8 kW/ 115 mhp
Rated Speed
5000- 6000rpm
In Stock (3 available)
Free shipping on orders over $500
90-day warranty included
Description
Buy used 2019 Mercury 115 HP FourStroke outboard engines or explore new engines for sale built for dependable marine performance and efficient boating power. The 2019 Mercury 115 HP FourStroke is a trusted choice for buyers searching for reliable mid-range outboard motors, replacement boat engines, and fuel-efficient marine propulsion systems. Designed for smooth operation and long-term durability, this engine supports both recreational and everyday boating applications.
The 2019 Mercury 115 HP FourStroke is engineered to deliver balanced power, efficient fuel usage, and dependable operation across a wide range of marine conditions. Its modern four-stroke platform provides consistent performance while maintaining quiet and refined engine operation.
Equipped with Electronic Fuel Injection (EFI), this outboard optimizes fuel delivery for improved throttle response and dependable acceleration. The advanced fuel management system supports efficient cruising and dependable performance in both freshwater and saltwater environments.
Integrated SmartCraft technology enhances the boating experience through advanced engine monitoring and improved operational control. This intelligent system supports smoother performance management and greater confidence during extended time on the water.
Built for versatility, the Mercury 115 HP FourStroke performs exceptionally well on fishing boats, runabouts, pontoons, inflatables, and multi-purpose recreational vessels. Its balanced design supports comfortable handling and efficient everyday use.
Boat owners looking to buy used Mercury 115 HP FourStroke outboards or searching for new engines for sale continue to choose this model for dependable marine reliability, fuel efficiency, and trusted outboard performance.
Key Features:
• 2019 Mercury 115 HP FourStroke outboard engine
• Reliable mid-range marine performance
• Four-stroke engine technology
• Electronic Fuel Injection (EFI) system
• Mercury SmartCraft integration
• Smooth acceleration and power delivery
• Excellent fuel efficiency
• Suitable for freshwater and saltwater use
• Ideal for fishing boats and recreational vessels
• Built for long-term marine reliability
Specifications
SKUM0004
BrandMercury
CategoryOutboard Engines
ConditionNew
Horsepower115 HP
Fuel Typegasoline
Year2019
Displacement2.1L
No. of Cylinders4 cylinders
Stroke4-stroke
Shaft Length25
Weight363.00 lbs
Rated Output85.8 kW/ 115 mhp
Rated Speed5000- 6000rpm
Cylinder Bore x Stroke90 mm × 81 mm
Combustion SystemDOHC, electronic fuel injection (EFI)
AspirationNatural
Alternator35-amp
Dry Weight165 kg / 363 lbs
ControlsMechanical controls or SmartCraft-compatible digital controls (DTS on select models)
Frequently Asked Questions
What kind of engine is the Mercury 115 HP outboard?
The Mercury 115 HP outboard is a four-stroke gasoline engine with multi-port electronic fuel injection (EFI), designed for reliable power, smooth acceleration, and efficient operation on a wide range of boats.
What type of fuel does it use?
It runs on unleaded gasoline with a minimum octane rating of 87 (R+M/2) or 90 RON, and up to 10% ethanol is generally acceptable.
How much power does the engine make?
The Mercury 115 produces 115 horsepower, with peak performance typically between 5000–6000 rpm at full throttle.
What is the engine configuration and displacement?
It’s an inline-4 engine with an 8-valve SOHC design and about 2.1 liters of displacement, which delivers balanced torque and smooth performance.
Does the Mercury 115 HP have electric start?
Yes — it features Smart Start electric starting, making it easy to start in most conditions.
Is it compatible with digital gauges and marine electronics?
Yes — this engine supports Mercury SmartCraft digital technology, letting you display real-time engine data on compatible gauges and displays.
What shaft lengths are available?
Typically available shaft lengths include 20″ (508 mm) and 25″ (635 mm), so you can choose based on your boat’s transom height and hull design.
Does it have power trim and tilt?
Yes — most configurations come with power trim and tilt, which makes adjusting motor angle easier for performance and fuel efficiency.
Is there a Command Thrust version?
Yes — some models offer a Command Thrust (CT) gearcase, which helps turn larger props and improves low-speed thrust for heavier boats without reducing top speed.
How heavy is the Mercury 115 HP outboard?
Dry weight varies by configuration but is typically around 359–363 lb (163–165 kg) depending on options.
Is this engine fuel-efficient?
Yes — thanks to the EFI system and advanced combustion design, the Mercury 115 delivers good fuel economy for cruising, fishing, and general boating.
What boats is the 115 HP best suited for?
It’s well-suited for small to medium planing hulls, like aluminum fishing boats, center consoles, inflatables, runabouts, and pontoons — where balanced performance and efficiency are desired.
How often should it be serviced?
Engine oil and filter change every ~100 hours or annually Lower unit gear oil replacement Fuel filter changes Water pump/impeller inspections Service frequency helps keep the engine reliable and efficient.
Can I use this engine in saltwater?
Yes — the 115 HP FourStroke is suitable for saltwater use, but you should flush it with fresh water after saltwater outings and follow good corrosion-control practices.
Is the Mercury 115 HP reliable?
When properly maintained, Mercury FourStroke engines are known to be durable and long-lived. Proper fuel quality, regular service, and freshwater flushes extend engine life.
Can I do my own basic maintenance?
Yes — many owners perform basic tasks like oil changes and filter checks, but more complex diagnostics and internal work are best done by authorized Mercury technicians. Professional service helps maintain performance and protect your investment.
