4-stroke Portable Motors, 2-25 HP » Yachts & Boats

Mercury 4 Outboard Motor

Single-cylinder four-stroke engines with manual starting and tiller steering. In spite of compactness and small weight, these motors possess all dignities of big engines: alternator (an option for all models, except for Sailpower), exhaust through the propeller hub, presence of thermostat in the cooling system, reverse, signaling of oil low pressure, turns limiter. Mercury FourStroke engines, plus to all these, have traditional advantages of four-stroke motors: separate lubricating system (there`s no need to add oil to fuel), more clean exhaust, low noise and vibration, high reliability, economy and resource. An electronic ignition system provides the sure motor starting, saving simplicity of service at the same time. Alternator has 50 W power (for illumination) and 25 W (for accumulator charging). Mercury four-stroke engines are supplied with standard (381 mm) and long (508 mm) dead-wood. The button of emergency stop is included in standard kitting-up of all engines.

Mercury F4 Specifications
Power at the Propeller	4/3 HP/kilowatt
Top Promptness	4500-5500
Cubic Capacity	123 cm³
Piston Diameter	59 mm
Piston Stroke	45 mm
Reduction Gear Transmission Ratio	2.15:1
Reverse	Present
Alternator	50/25 watt (an option for all models, except for Sailpower)
Trim Method	6 positions
Fuel Capacity	1.1 L, built-in
Deadwood Length	381 and 508 mm (short and long “leg”)
Weight	25 kg

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