Suzuki DF 25 Service Manual page 18

1-14 GENERAL INFORMATION
Item
CYLINDER / PISTON / PISTON RING
Cylinder distortion
Piston to cylinder
clearance
Cylinder bore
Cylinder measuring position
Piston skirt diameter
Piston measuring position
Cylinder bore wear
Piston ring
1st
end gap
2nd
Piston ring
1st
free end gap
2nd
Piston ring to
1st
groove
clearance
2nd
1st
Piston ring
groove width
2nd
Oil
1st
Piston ring
thickness
2nd
Pin clearance in
piston pin hole
Piston pin outside
diameter
Piston pin hole
diameter
Pin clearance in
conrod small end
Conrod small end
bore
Unit
DF25Q/25QE DF25QR/25T
Limit mm (in)
STD mm (in)
Limit
mm (in)
STD
mm (in)
mm (in)
STD
mm (in)
mm (in)
Limit
mm (in)
STD
mm (in)
Limit mm (in)
STD
mm (in)
Limit mm (in)
STD mm (in)
Limit mm (in)
STD
mm (in)
Limit mm (in)
STD mm (in)
Limit mm (in)
STD mm (in)
Limit mm (in)
mm (in)
STD
mm (in)
STD
mm (in)
STD
STD mm (in)
STD mm (in)
STD mm (in)
Limit mm (in)
STD mm (in)
Limit mm (in)
STD mm (in)
Limit mm (in)
STD mm (in)
Limit mm (in)
STD mm (in)
Data
DF30Q/30QE DF30QR/30T
0.030 (0.0012)
0.020 – 0.040 (0.0008 – 0.0016)
0.100 (0.0039)
65.000 – 65.020 (2.5591 – 2.5598)
50 (2.0) from cylinder top surface
64.970 – 64.990 (2.5579 – 2.5587)
19 (0.7) from piston skirt end.
0.100 (0.0039)
0.12 – 0.27 (0.005 – 0.011)
0.70 (0.028)
0.35 – 0.50 (0.014 – 0.020)
1.00 (0.039)
Approx. 9.1 (0.36)
7.3 (0.29)
Approx. 9.0 (0.35)
7.2 (0.28)
0.03 – 0.07 (0.001 – 0.003)
0.12 (0.005)
0.02 – 0.06 (0.001 – 0.002)
0.10 (0.004)
1.02 – 1.04 (0.040 – 0.041)
1.21 – 1.23 (0.0476 – 0.0484)
2.01 – 2.03 (0.079 – 0.080)
0.97 – 0.99 (0.038 – 0.039)
1.17 – 1.19 (0.046 – 0.047)
0.006 – 0.019 (0.0002 – 0.0007)
0.040 (0.0016)
15.995 – 16.000 (0.6297 – 0.6299)
15.980 (0.6291)
16.006 – 16.014 (0.6302 – 0.6305)
16.030 (0.6311)
0.003 – 0.016 (0.0001 – 0.0006)
0.050 (0.0020)
16.003 – 16.011 (0.6300 – 0.6304)
18