Yuchai YC4F Series Marine Engines

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Yuchai YC4F Series Marine Engines

· World-class high speed engine for speed pursuer

· Yuchai sealing technology in piston ring and valve oil seal reduces the lube oil consumption

· High reliability, fuel efficiency and low maintenance cost

· Compact size facilitates installation, maintenance and repair

· Operator and nature friendly with low noise, rapid start ability and low emissions

· Major overhaul period is more than 10000 hours







Vertical in-line, 4-cylinder, 4-stroke, direct injection, water-cooled

Bore ×Stroke                                                         (mm)

92 ×100


Turbocharged & inter-cooled

Displacement                                                           (L)


Compression ration


Rated power/Speed                               (kW(hp)/r/min)




Fuel consumption                                            g/(kW·h)


Oil consumption                                              g/(kW·h)



Counterclockwise ( facing flywheel )

Starting method


Dry weight                                                              (kg)


Engine dimension (L×W×H)                                 (mm)

873 × 617 × 738



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Q:The Mazda 3 engine?
2, a balance shaft: This is the engine crankshaft and meshing precision with transmission process, can best reduce engine vibration in the transmission process, ensure the engine running smoothly, reduce the noise.
Q:How to maintain the car engine
If the engine is not maintained for a long time will affect the life of the car.
Q:What is the role of the engine timing belt?
Timing, that is, through the engine timing mechanism, so that each cylinder just to do: the piston just up to the top dead center, the valve just closed, spark plug just ignition.
Q:How does the motorcycle burn the oil?
The case of burning oil is usually the most direct reaction in the exhaust color above, then we start from the color of the exhaust.
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The engine detonation engine has a special detonation sensor that specializes in monitoring the engine knock.
Q:Why is some engine displacement unit CC?
Expressed in cubic centimeters, the international standard stipulates that through the London Greenwich Observatory's prime meridian from the north pole to the equatorial length (ten thousand kilometers) of one ten thousandth of a meter, one meter = 100 centimeters 1 milliliter =
Q:Is China really a country that doesn't build an engine?
This engine, known sprayer can always climax at this point, however, who said Chinese created out of the engine, is really funny
Q:Why do diesel engines vibrate with noise?
You can not open the engine cover between diesel engine? Of course! Would be able to listen to them, the general diesel engine noise and vibration will be better than the gasoline engine, it also can not see the tractor, the way you can hear "ta... Ta... Ta... Ta..." Sound. But now the diesel car is not like a tractor that is simply mounted on the frame, no noise, exhaust noise reduction without filtering. Even now the highest technology content of diesel engines, in the control of vibration and noise of the engine, there are still a big gap with the gasoline engine below. We have to tell.x0d the reason first, it has great relationship with the diesel fuel. This fuel in diesel antiknock, ignition (ignition), viscosity, volatile, combustion rate is lower than that of gasoline.
Q:What is the role of the engine pump?
The center of the impeller is thrown out of the coolant and the pressure is reduced. The coolant in the tank is sucked into the impeller through the water pipe under the pressure difference between the inlet of the pump and the center of the impeller to realize the reciprocating circulation of the coolant.
Q:Car engines: what does V12 mean?
Understanding the displacement, we will look at other common parameters of the engine. Many junior riders often reflect the words "L4", "V6", "V8", "W12" and so on in the engine column of "auto data". They want to find out what it means. These represent the arrangement of cylinders and the number of cylinders in the engine. There are 3 cylinders, 4 cylinders, 6 cylinders, 8 cylinders, 10 cylinders, 12 cylinders and so on in automobile engines.

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