HYOSUNG Aquila 250 Service Manual page 192

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 to groove width
Piston ring thickness
Piston pin hall I.D.
Piston pin O.D.
CONROD + CRANKSHAFT
Conrod small end I.D.
Conrod deflection
Conrod big end side clearance
Conrod big end width
Crank web to web width
Crankshaft runout
OIL PUMP
Oil pressure
Oil pump reduction ratio
ITEM
ITEM
ITEM
STANDARD
2
14~16 kg/cm (at 600 rpm)
0.050~0.060
57.000~57.015
56.945~56.960
(Measure at 15mm from the skirt end)
— — —
1st
2nd
1st 0.20~0.32
2nd 0.20~0.32
1st
2nd
1st 1.01~1.03
2nd 1.01~1.03
Oil 2.01~2.03
1st 0.970~0.990
2nd 0.970~0.990
15.002 ~ 15.008
14.994 ~ 15.000
STANDARD
15.006~15.014
— — —
0.40~0.85
15.95~16.00
72 ±0.1
— — —
STANDARD
1.3 ± 0.2 kg/cm
(at 60 ℃, 4,000 rpm)
58/19×14/20=2.137
SERVICING INFORMATION 7-14
7.2
5.8
— — —
— — —
2
Unit : mm
LIMIT
2
12 kg/cm
0.120
57.080
56.880
0.05
5.7
4.6
0.5
0.5
0.180
0.150
— — —
— — —
— — —
— — —
— — —
15.030
14.980
Unit : mm
LIMIT
15.040
3.0
1.0
— — —
— — —
0.05
Unit : mm
NOTE
— — —
— — —