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
The 2009 Mercury 75 hp outboard motor is a mid-range marine propulsion engine designed for small to medium boats (e.g., fishing boats, runabouts, inflatables). It delivers reliable performance with good fuel efficiency and smooth power delivery, suitable for recreational and commercial use depending on configuration. Options include 2-stroke Optimax and 4-stroke EFI (FourStroke) versions.
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.
