New
Honda15 HP
Honda BF15
2016 · gasoline
$2,200.00
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Used
Mercury
2009 Mercury 75HP
$4,000.00
2009 Mercury 75 hp outboard, electric start, remote steering, EFI (or Optimax 2-stroke) engine for general boating use.
Horsepower
75 HP
Fuel Type
gasoline
Year
2009
Hours
194
Displacement
2.1L
Stroke
2-Stroke
Rated Output
55.9 kW/ 75 mhp
Rated Speed
5800 rpm
In Stock (3 available)
Free shipping on orders over $500
90-day warranty included
Description
Buy used 2009 Mercury 75 HP outboard motors or explore new engines for sale built for dependable marine performance and efficient boating operation. The 2009 Mercury 75 HP is a popular choice for buyers searching for reliable mid-range outboard engines, replacement boat motors, and fuel-efficient marine propulsion systems. Designed for smooth power delivery and long-term durability, this engine supports recreational boating and commercial marine applications.
The 2009 Mercury 75 HP outboard is engineered to provide dependable performance across a wide range of boating conditions. Built for small to medium vessels, this outboard delivers balanced power, responsive handling, and efficient operation for everyday marine use.
Available in both 2-stroke Optimax and 4-stroke EFI configurations, the Mercury 75 HP gives boat owners flexible performance options based on boating style and operational needs. Each platform is designed to support reliable acceleration and stable on-water performance.
The Optimax configuration offers efficient direct fuel delivery with responsive output and dependable marine operation. The FourStroke EFI version provides smooth throttle response, refined engine performance, and excellent fuel economy for extended time on the water.
Ideal for fishing boats, runabouts, inflatables, and utility vessels, the 2009 Mercury 75 HP combines practical ownership with proven marine engineering. Its versatile design supports vessel upgrades, repower projects, and dependable day-to-day boating.
Boat owners looking to buy used Mercury 75 HP outboard engines or searching for new engines for sale continue to choose this model for reliable performance, efficient operation, and long-term marine value.
Key Features:
• 2009 Mercury 75 HP outboard motor
• Mid-range marine engine performance
• Available in 2-stroke Optimax configuration
• Available in 4-stroke EFI configuration
• Smooth acceleration and power delivery
• Excellent fuel efficiency
• Reliable operation across marine conditions
• Suitable for small and medium boats
• Ideal for recreational and commercial applications
• Durable construction for long-term use
Specifications
SKUM8001
BrandMercury
CategoryOutboard Engines
ConditionUsed
Horsepower75 HP
Fuel Typegasoline
Year2009
Displacement2.1L
No. of Cylinders3 cylinders
Stroke2-Stroke
Shaft Length20
Weight359.00 lbs
Hours194
Rated Output55.9 kW/ 75 mhp
Rated Speed5800 rpm
Cylinder Bore x Stroke90 mm × 66 mm
Combustion SystemElectronic Fuel Injection (EFI), Four-Stroke
AspirationNatural
Alternator35-amp
Dry Weight163 kg / 359 lbs
ControlsMechanical
Frequently Asked Questions
What type of engine is the 2009 Mercury 75 HP outboard?
The 2009 Mercury 75 HP outboard is typically a four-stroke engine with electronic fuel injection (EFI), designed for reliable performance and smooth, efficient operation.
Is it fuel-injected or carbureted?
Most 2009 Mercury 75 HP models use computer-controlled multi-port electronic fuel injection (EFI), which provides better fuel economy, smoother starts, and improved throttle response compared to older carbureted designs.
What type of fuel should I use?
Use unleaded gasoline with a minimum octane of 87 (R+M/2). Fuel with up to 10 % ethanol (E10) is typically acceptable, but avoid higher ethanol blends if possible.
What is the displacement and configuration of this engine?
The Mercury 75 HP outboard is usually an inline-4 engine with around 2.1 liters displacement, combining adequate mid-range torque and smooth power delivery.
What is the typical RPM range at full throttle?
At wide-open throttle, the engine normally operates around 4500–5500 RPM, which helps ensure good performance across most boating conditions.
Does this engine have electric start?
Yes — the 2009 Mercury 75 HP comes with a Smart Start electric start, providing easy and reliable starting in all conditions.
What shaft lengths are available?
Common shaft lengths for this model include 20″ (508 mm) and sometimes 25″ (635 mm), so you can match the motor to your boat’s transom height.
Is it compatible with SmartCraft or digital gauges?
Yes — many 75 HP Mercury four-stroke outboards from this era are SmartCraft compatible, meaning they can link with digital gauges and performance monitoring systems.
What kind of trim and tilt options does it have?
Most models offer power trim and tilt, allowing you to adjust the engine angle for better performance, fuel economy, and boat handling.
Is the 2009 Mercury 75 HP suitable for saltwater use?
Yes — it’s designed for both freshwater and saltwater boating. However, flushing the engine with fresh water after saltwater outings is strongly recommended to minimize corrosion and extend the engine’s life.
How much does the engine weigh?
The dry weight is generally around 350–375 lb (≈160–170 kg) depending on the exact configuration and accessories fitted.
What boats is this engine best suited for?
The 75 HP Mercury is ideal for small to medium boats such as aluminum fishing boats, pontoons, center consoles, runabouts, and inflatables — where a balance of fuel economy and power is desired.
How often should I service the engine?
Oil and filter changes (usually every 100 hours or annually) Lower unit gear oil replacement Water pump/impeller inspection Fuel filter and spark plug checks Regular servicing helps keep performance optimal and prevent costly repairs.
What is common maintenance for this motor?
Checking and replacing worn impellers Monitoring corrosion-control anodes Flushing cooling passages Inspecting steering and trim systems Following the service interval in the owner’s manual is essential for reliability.
