Maintenance Specifications - Zenoah G230RC Owner's Service Manual

5. Maintenance

3) MAINTENANCE SPECIFICATIONS

Items
Compression (kg/cm
Bore (mm)
Diameter (mm)
Piston Ring
Groove width (mm)
Piston Pin Hole (mm)
Clearance between
Piston and Cylinder (mm)
Clearance between
Groove and Piston Ring (mm)
End Gap (mm)
Width (mm)
Piston Pin Diameter (mm)
Connecting Rod Small end (mm)
Crankshaft Dia. at Main Bearing (mm)
Eccentricity (mm)
Axial Play (mm)
Main Bearing
4) CARBURETOR
Items
Metering Lever set (mm)
Inlet Valve Opening Pressure (kg/cm
Inlet Valve Closing Pressure (kg/cm
6
Standard
) 8.8
2
ø32 Plating damaged
ø31.97
1.01
ø8.01
0.03~0.06
0.02~0.04
0.05~0.25
0.98
ø8
ø11
ø12
—
—
—
Feels Flat Spot
Standard
1.65
2 ) 1.3~2.3
) 0.7~1.7
2
Limit Measuring Device
7.3 Compression Gage
Eye Checking
ø31.87 Micro Meter
1.11 Thickness Gauge
ø8.05 Cylinder Gauge
Micro Meter
0.15
Cylinder Gauge
0.1 Thickness Gauge
0.5 Thickness Gauge
0.93 Micro Meter
ø7.98 Micro Meter
ø11.05 Cylinder Gauge
ø11.98 Micro Meter
0.07 Dial Gauge
0.5 Thickness Gauge
Gritty or
—
Limit Measuring Device
± 0.16 Vanier
Leak Tester
Leak Tester
Remarks
At the skirt end and
the right angle to
the piston pin.
When inserted in a
new cylinder.
Remarks