Suzuki GSF650S - Page 325

SERVICING INFORMATION 7-37
CYLINDER + PISTON + PISTON RING
Unit: mm
CONROD + CRANKSHAFT
Unit: mm
ITEM STANDARD LIMIT
Compression pressure 1 000 – 1 500 kPa
(10 – 15 kgf/cm
2
)
800 kPa
(8 kgf/cm
2
)
Compression pressure difference
—
200 kPa
(2 kgf/cm
2
)
Piston-to-cylinder clearance 0.015 – 0.025 0.120
Cylinder bore 65.500 – 65.515 65.615
Piston diameter 65.480 – 65.495
Measure 15 from the skirt end.
65.380
Cylinder distortion — 0.20
Piston ring free end gap 1st R Approx. 9.1 7.3
2nd RN Approx. 9.1 7.3
Piston ring end gap 1st 0.06 – 0.21 0.5
2nd 0.06 – 0.21 0.5
Piston-ring to piston-ring-groove
clearance
1st — 0.180
2nd — 0.150
Piston ring groove width 1st 1.01 – 1.03 —
2nd 0.81 – 0.83 —
Oil 1.51 – 1.53 —
Piston ring thickness 1st 0.97 – 0.99 —
2nd 0.77 – 0.79 —
Piston pin bore 18.002 – 18.008 18.030
Piston pin O.D. 17.996 – 18.000 17.980
ITEM STANDARD LIMIT
Conrod small end I.D. 18.010 – 18.018 18.040
Conrod big end side clearance 0.10 – 0.20 0.30
Conrod big end width 20.95 – 21.00 —
Crank pin width 21.10 – 21.15 —
Conrod big end oil clearance 0.032 – 0.056 0.080
Crank pin O.D. 33.976 – 34.000 —
Crankshaft journal oil clearance 0.020 – 0.044 0.080
Crankshaft journal O.D. 31.976 – 32.000 —
Crankshaft thrust clearance 0.04 – 0.09 —
Crankshaft thrust bearing
thickness
Left side 2.350 – 2.500 —
Right side 2.425 – 2.450 —
Crankshaft runout — 0.05