Suzuki DL650K5 - Page 450

9-46 SERVICING INFORMATION
CYLINDER + PISTON + PISTON RING
Unit: mm (in)
ITEM STANDARD LIMIT
Compression pressure
Compression pressure
difference
----
Piston to cylinder clearance 0.055 – 0.065
(0.0022 – 0.0026)
0.120
(0.0047)
Cylinder bore 81.000 – 81.015
(3.1890 – 3.1896)
Nicks or
Scratches
Piston diam. 80.950 – 80.955
(3.1870 – 3.1872)
Measure at 20 mm (0.79 in) from the skirt end.
80.88
(3.184)
Cylinder distortion
----
0.05
(0.002)
Piston ring free end gap
1st Approx. 9.5 (0.37)
7.6
(0.30)
2nd Approx. 11 (0.43)
8.8
(0.35)
Piston ring end gap
1st
0.20 – 0.35
(0.008 – 0.014)
0.70
(0.028)
2nd
0.20 – 0.35
(0.008 – 0.0014)
0.70
(0.028)
Piston ring to groove clearance
1st ----
0.180
(0.0071)
2nd ----
0.150
(0.0059)
Piston ring groove width
1st
1.21 – 1.23
(0.0476 – 0.0484)
----
2nd
1.01 – 1.03
(0.0398 – 0.0406)
----
Oil
2.01 – 2.03
(0.0791 – 0.0799)
----
Piston ring thickness
1st
1.17 – 1.19
(0.0461 – 0.0469)
----
2nd
0.97 – 0.99
(0.0382 – 0.0390)
----
Piston pin bore 20.002 – 20.008
(0.7875 – 0.7877)
20.030
(0.7886)
Piston pin O.D. 19.992 – 20.000
(0.7871 – 0.7874)
19.98
(0.7866)
)(
1 300 – 1 700 kPa
13
– 17 kgf/cm²
185 – 242 psi
)(
1 100 kPa
11 kgf/cm
²
156 psi
)(
200 kPa
2 kgf/cm
²
28 psi
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