3
1-2 Parameters
Model
Specification parameters
RV550D
Length*width*height
480*406*315 (mm) (no muffler)
Net weight
32 kg
Type of gasoline engine
Horizontal single-cylinder, four-stroke,
overhead valve (OHV)
Air displacement
547 cm
3
Cylinder diameter x stroke
94.5 mm × 78 mm
Theoretical maximum power
12.2 kW/3,600 r/min
Recommended service power
8.8 kw/2,700 r/min
Maximum torque
36.2 N·m/2,500 r/min
Fuel consumption
≥ 374 g/kW·h
Cooling system
Forced air cooling
Ignition system
Inductance type
Power output mode
Vertical axis output
1-3 Maintenance
limit Unit: mm
Parts
Item
Standard
Service
limit
Gasoline
engine
Maximum speed without load
Idle speed
Cylinder pressure
3,000 ± 100 rpm
1,900 ± 100 rpm
≥ 1.05 Mpa/1,400 rpm
-
-
-
Cylinder Cylinder inner diameter
94.5
94.665
Cylinder
head
Warping
--
--
Piston
Outer diameter of piston skirt
Piston-cylinder clearance
Inner diameter of piston pinhole
Outer diameter of piston pin
Piston-piston pin hole clearance
94.46-94.47
0.03-0.055
20.002-20.008
19.992-19.998
0.007-0.024
94.36
0.12
20.052
19.9
0.5
Piston ring Piston ring side gap: Ring 2
0.02-0.07
0.135
Connecting Inner diameter of small end
20.005-20.016
20.052
