Suzuki df2.5 - Page 13

1·12 GENERAL INFORMATION
Item
Unit
Data
DF2.5
CYLINDER/PISTON/PISTON RING
Cylinder distortion Limit
mm (in)
0.05 (0.002)
Piston to cylinder STD
mm (in)
0. 018- 0.033 (0. 0007- 0.0013)
clearance
Limit
mm (in) 0.100 (0.0039)
Cylinder
bore STD
mm (in) 48. 000- 48.015 (1 . 8898- 1.8904)
Cylinder measuring
mm (in)
20 (0.8) from cylinder top surface
position
Piston skirt
STD mm (in) 47. 975-47.990 (1 . 8888- 1.8894)
diameter
Piston measuring position mm (in) 5 (0.2) from piston skirt end
Cylinder bore wear Limit mm (in) 0.100 (0.0039)
Piston ring
1st,
STD
mm (in)
0.15 - 0.35 (0.006 - 0.014)
end gap
2nd
Limit mm (in)
0.50 (0.020)
Piston ring
1st
STD mm (in)
Approx. 6.1
(0 .24)
free end gap
Limit
mm (in) 4.9 (0.19)
2nd
STD mm (in) Approx. 5.7 (0. 22)
Limit mm (in) 4.6 (0.18)
Piston ring to
1st,
STD
mm (in)
0.020- 0.060 (0.0008 - 0.0024)
groove
clearance
2nd
Limit
mm (in)
0.120 (0.0047)
Piston ring 1st,
STD
mm (in)
1.
21 -1.23 (0. 048- 0.049)
groove width
2nd
Oil STD mm (in) 1.51 - 1.53 (0.059- 0.060)
Piston ring 1st,
STD
mm (in)
1.
17-1.19 (0. 046-0.047)
thickness
2nd
Pin clearance in STD mm (in) 0.002 - 0.013 (0.0001 - 0.0005)
piston pin hole
Limit mm (in) 0.040 (0.0016)
Piston pin outside STD mm (in) 11.995- 12.000 (0.4722- 0.4724)
diameter
Limit
mm (in) 11.980 (0.4717)
Piston pin
hole STD
mm (in) 12 . 002- 12.008 (0.4725- 0.4728)
diameter
Limit
mm (in)
12.030 (0.4736)
Pin clearance in STD
mm (in) 0.006- 0 .019 (0.0002 - 0.0007)
conrod small end
Limit mm (in)
0.050 (0.0020)