4-stroke Powerful Motors, 115-300 HP » Yachts & Boats

Mercury 115 EFI Boat Motor
Four-cylinder four-stroke engines with electronic fuel injection, remote control and electric starting. The EFI system (Electronic Fuel Injected) brings to perfection even without this excellent technical characteristics of these four-stroke engines. Electronics measures fuel exactly, taking into account besides frequency of crankshaft rotation and size of motor loading, temperature of surrounding air, temperature of cylinder crankcase, piston position, pressure in an inlet collector. All this allows Mercury 115 EFI engines to be even more economical, than ordinary four-stroke engines. In addition, motors with the EFI injection system differ with reliable starting and steady work even on the smallest turns in any temperature range. Low level of noise and pollution of the environment taken to the minimum - another plus for Mercury F115 EFI.

Due to the compatibility with the SmartCraft system, which represents complete information of the motor work parameters and technical condition, even unprepared man can steer Mercury 115 EFI. If some of parameters exceed a norm in case of owner carelessness or inexperience, the ECM555 electronic control block will make a warning signal and then will correct the motor operating mode. All of engines are equipped with alternators of 315 Watt. The cooling system is supplied with thermostat and pressure regulator, which support the stable temperature conditions of engine work. The fuel system has also liquid cooling, that`s why Mercury 115 owners never have such problem, as fuel boiling and formation of steam corks, resulting in interruptions of motor work. It doesn`t matter how intensively they exploit their engines, it works good. An exhaust is made through propeller hub. Construction of suspension bracket has electric-hydraulic incline regulation. Mercury 115 are supplied with standard (508 mm) and long (635 mm) dead-wood. The button of emergency stop is included in standard kitting-up of all engines.

Mercury 115 EFI Specifications
Power at the Propeller	115/85.7 HP/kilowatt
Top Promptness	5500-6000
Cubic Capacity	1741 cm³
Piston Diameter	79 mm
Piston Stroke	89 mm
Cylinders Disposition	In-line
Reduction Gear Transmission Ratio	2.07:1
Reverse	Present
Alternator	315 watt
Trim System	Hydroelectric drive
Fuel Capacity	25 L, outer
Deadwood Length	508 mm and 635 mm (lengthened and long “leg”)
Weight	175 kg

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