Mercury 55M / ML Sea Pro boat motor

Technical specifications

Maximum power HP / kW55 / 40.7
Maximum speed5000-5500
Number of cylinders3
Engine capacity, cm3967
Bore x stroke, mm76X71
Intake systemLoop flushing
Exhaust systemThrough screw
CoolingWater running + thermostat + pressure regulator
IgnitionDischarging the capacitor module CDI
StartingManual
Gear ratio1.64
Control SystemTiller
Adjusting the trimPneumatic (electric hydraulic drive is optional)
TransfersP.h.-N.-3.h.
Drive shaft length, mmshort 381, long 508
Fuel tank, l25, outside
Dry Weight98
Standard screw

Additional description

Motors Commercial series are a recognized leader in the class of engines for commercial vessels. Independent modules with CDM discharge capacitor ignition systems generate voltages up to 40,000 V, which provides easy start, excellent fuel efficiency and reliability. Powerful power supply systems produce enough electricity to charge the battery and power accessories. Loop purging of the cylinder provides the best cleaning of exhaust gases and more complete filling of the cylinder with a combustible mixture that guarantees high power and efficiency. Motors without remote control differs with multifunction tiller, controlling throttle angle, adjust the resistance on the throttle grip, stop and start the engine, which is very convenient for work, leisure and fishing lure. Special handling and mounting ring of magnets attaching gives the reliability to the flywheel. Side gearshift lever of strengthened design ensures reliable operation throughout its lifetime.

Legend modifications:

M – manual start; E – Electric start-up; L – length of shaft hull 508mm; XL – length of shaft hull 635mm; No L, XL – length of shaft hull 381mm; O – automatic of petrol with oil .; PT – electric hydrolift; C – reverse rotation of the screw; EFI electric fuel injection; SW – for salt water; F – four-stroke engine; SeaPro – for commercial use; Sail – extra motor for yachts; BF – load reducer for heavy crafts; OptiMax – direct fuel injection; JET – the water jet engine.

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