Main engine technical indexes and operation parameters
Type
Cylinder bore diameter(mm)
Stroke(mm)
Total displacement(L)
Compression ratio
Nominal power/RPM
(kW/r/min)(Total power)
Output maximum torque/RPM
(Nm/r/min)(Total power)
Minimum fuel consumption of
total power for external characteristic 298
(g/KW·h)
Fuel supply system
Combustion chamber shape
Cylinders Working Order
Direction of crankshaft rotation
Lubrication
Idling speed r/min
Emission(Idling)CO
Weight (kg)
Overall dimensions
(Length * width * highness)
(mm)
Ignition angle at idle
(Crankshaft angle
,Before top dead center)
Valve timing(Crankshaft angle)
Intake valve opened
Intake valve closed
Exhaust valve opened
Exhaust valve closed
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CAC478C
Line,4-cyl, four strokes, water-cooling
77.24
74.30
1.392
9.5∶1
54/5500
105/3000-3500
Carburetor
Wedge type
1-3-4-2
Clockwise(Viewed
from the front)
Mechanical lubrication+Splash feed ←
850±50
2%
105
670×630×650
7°±1°
Before top dead center18° ←
After bottom dead center50
before bottom dead center 61° 60°
After top dead center 7°
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CAC Gasoline Engine Maintenance And Servicing Manual
CAC480C
CAC480M
←
79.94
79.52
1.596
9.75∶1
60/5500
128/3000-3500
128/3000-2500
290
285
←
Single-point
electric control fuel injection
Hemisphere type Hemisphere type
←
←
←
900±50
←
108
670×630×650 620×610×650
7°±1°
57°
15°
←
←
←
←
9.75∶1
62/5500
←
←
←
1.2%
108
10°±1°
←
←
←
←
12