Suzuki GN125F, Service Manual

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S E RV I C I N G I N F O R M AT I O N
7-12
CY PISTON RING
ITEM
Compression pressure
Piston to cylinder clearance
Cylinder bore
Piston diam.
Cylinder distortion
Piston ring free end gap
Piston ring end gap
Piston ring to groove clearance
Piston ring groove width
Piston ring thickness
Piston pin bore
Piston pin O D
. .
CRANKSHAFT
ITEM
Conrod small end I D
. .
Conrod big end side clearance
Conrod big end width
Crank pin width
STANDARD
1st
1st
1st
1st
1st
2nd
2nd
2nd
2nd
2nd
Oil
1 000-1 400 kPa
0 030-0.051
.
57.010-57.015
56.964-56.970
Measure at 8 mm from the skirt end
Approx.7.2
Approx.5.8
0.10-0.25
0.10-0.25
1.01-1.03
1.01-1.03
2.01-2.03
0.97-0.99
0.97-0.99
14.002-14.008
13.996-14.000
STANDARD
14.006-14.014
0.10-0.45
15.95-16.0
Unit: mm
LIMIT
800 kPa
0.12
57.135
56.844
0.05
5 76
.
4 64
.
0.7
0.7
0.18
0.15
13.980
14.030
Unit: mm
LIMIT
14.04
1.0
Crank web to web width 0.05
52.7-52.9
OIL PUMP
ITEM
Oil pressure (at 60 °C, 140 °F)
STANDARD
10-30 kPa at 3 000 r/min
LIMIT
Conrod deflection
Crank pin O.D.
Crankshaft runout 0.05
28.000-28.004
52.9-53.1