Mercury’s renowned quality, performance, and quiet operation are embodied in this 5HP 4-stroke outboard. Pre-run at the factory and license-free for immediate use, this engine is ideal for fishing boats and small tenders.
Choose your shaft length:
Short (15″ / 381 mm) or Long (25″ / 635 mm)
Engine Overview
This Mercury 5HP outboard is designed for dependable use in a wide range of conditions. Easy to start and maintain, it delivers smooth power and minimal fuel consumption—perfect for anglers and leisure boaters alike.
Key Specifications
Power: 5 HP / 3.7 kW
Engine type: 1 cylinder
Displacement: 123 cm³
Max RPM range: 4500–5500
Fuel system: Pushrod – 2 valves (OHV)
Fuel: Unleaded 95
Recommended oil: Mercury FourStroke 10W-30
Starting system: Manual (pull-start)
Steering: Tiller handle
Shaft length: Short – 15″ / 381 mm or Long – 25″ / 635 mm
Gear shift: Forward – Neutral – Reverse (F-N-R)
Gear ratio: 2.15:1
Dry weight: 25 kg
Bore & stroke: 59 x 45 mm
Ignition: CDI with electronic advance
Fuel delivery: Carbureted
Cooling system: Water-cooled with thermostat
Exhaust: Through-propeller hub
Trim positions: 6
Shallow water drive: Yes – 16°
Built-in fuel tank: 1.1 liters
Optional external fuel tank: 12 liters
Color: Phantom Black
Fuel System Option
This engine features a built-in fuel tank with an air vent, shut-off valve, and cap integrated into the cowling. It can also be connected to an optional external fuel tank for extended range.
Included Accessories
1 bottle of engine oil
1 tool kit
1 pre-installed propeller
License-free use: Yes (up to 6HP 4-stroke engines)
Warranty: 5 years
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