14- 1 DL650/AK8 ('08-MODEL)
6
CYLINDER + PISTON + PISTON RING
ITEM
Compression pressure
Compression pressure
difference
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.
STANDARD
1 300 – 1 700 kPa
(13 – 17 kgf/cm
0.055 – 0.065
(0.0022 – 0.0026)
81.000 – 81.015
(3.1890 – 3.1896)
80.940 – 80.955
(3.1866 – 3.1872)
Measure at 20 mm (0.79 in) from the skirt end.
1st
Approx. 7 (0.28)
2nd
* Approx. 11.5 (0.45)
1st
2nd
1st
2nd
1st
(0.0327 – 0.0335)
2nd
(0.0398 – 0.0406)
Oil
(0.0791 – 0.0799)
1st
(0.0299 – 0.0319)
2nd
(0.0382 – 0.0390)
20.002 – 20.008
(0.7875 – 0.7877)
19.992 – 20.000
(0.7871 – 0.7874)
, 185 – 242 psi)
2
----
----
* 0.20 – 0.30
(0.08 – 0.12)
* 0.30 – 0.45
(0.12 – 0.018)
----
----
0.83 – 0.85
1.01 – 1.03
2.01 – 2.03
0.76 – 0.81
0.97 – 0.99
Unit: mm (in)
LIMIT
1 100 kPa
(11 kgf/cm
, 156 psi)
2
200 kPa
(2 kgf/cm
2
, 28 psi)
0.120
(0.0047)
Nicks or
Scratches
80.88
(3.184)
0.05
(0.002)
5.6
(0.22)
8.8
(0.35)
0.70
(0.028)
0.70
(0.028)
0.180
(0.0071)
0.150
(0.0059)
----
----
----
----
----
20.030
(0.7886)
19.98
(0.7866)