HYOSUNG COMET 125 Service Manual page 179

7-15 SERVICING INFORMATION
CYLINDER + PISTON + PISTON RING
Compression pressure
Piston to cylinder clearance
Cylinder bore
Piston diam.
Cylinder or cylinder head distortion
Piston ring free end gap
Piston ring end gap (Assembly condition)
Piston ring to groove clearance
Piston ring groove width
Piston ring thickness
Piston pin hole bore
Piston pin O.D.
ITEM STANDARD
2
14~16 kg/cm (at 500 rpm)
0.050 ~ 0.060 (0.0020 ~ 0.0024)
57.000 ~ 57.015 (2.2441 ~ 2.2447)
56.945 ~ 56.960 (2.2419 ~ 2.2425)
(Measure at 15mm (0.6 in) from the skirt end)
1st
2nd
1st 0.20 ~ 0.32 (0.008 ~ 0.013)
2nd 0.20 ~ 0.32 (0.008 ~ 0.013)
1st
2nd
1st 1.01 ~ 1.03 (0.040 ~ 0.041)
2nd 1.01 ~ 1.03 (0.040 ~ 0.041)
Oil 2.01 ~ 2.03 (0.079 ~ 0.080)
1st 0.970 ~ 0.990 (0.0382 ~ 0.0390)
2nd 0.970 ~ 0.990 (0.0382 ~ 0.0390)
15.002 ~ 15.008 (0.5906 ~ 0.5909)
14.994 ~ 15.000 (0.5903 ~ 0.5905)
7.2 (0.284)
5.8 (0.228)
Unit : mm (in)
LIMIT
2
12 kg/cm
0.120 (0.0047)
57.080 (2.2473)
56.880 (2.2394)
0.05 (0.002)
5.7 (0.224)
4.6 (0.181)
0.5 (0.020)
0.5 (0.020)
0.180 (0.007)
0.150 (0.006)
15.030 (0.5917)
14.980 (0.5898)