Suzuki DF15 - Page 309

DF9.9T/TH/DF15 (Serial No. 110001 and later) 15
CYLINDER/PISTON/PISTON RING
Item Unit
Data
DF15 DF15E
DF15
R
Cylinder distortion Limit mm (in) 0.05 (0.002)
Piston to cylinder clear-
ance
STD mm (in) 0.0276 – 0.0425 (0.0011 – 0.0017)
Limit mm (in) 0.100 (0.0039)
Cylinder bore STD mm (in) 58.000 – 58.015 (2.2835 – 2.2841)
Cylinder measuring position mm (in) 50 (2.0) from cylinder top surface
Piston skirt diameter STD mm (in) 57.965 – 57.980 (2.2821 – 2.2827)
Piston measuring position mm (in) 15 (0.6) from piston skirt end
Wear on cylinder bore Limit mm (in) 0.055 (0.0022)
Piston ring end
gap
1st
STD mm (in) 0.10 – 0.25 (0.004 – 0.010)
Limit mm (in) 0.50 (0.020)
2nd
STD mm (in) 0.10 – 0.25 (0.004 – 0.010)
Limit mm (in) 0.50 (0.020)
Piston ring free
end gap
1st
STD mm (in) Approx. 5.8 (0.23)
Limit mm (in) 4.6 (0.18)
2nd
STD mm (in) Approx. 7.4 (0.29)
Limit mm (in) 5.9 (0.23)
Piston ring to
groove
clearance
1st
STD mm (in) 0.02 – 0.06 (0.001 – 0.002)
Limit mm (in) 0.10 (0.004)
2nd
STD mm (in) 0.02 – 0.06 (0.001 – 0.002)
Limit mm (in) 0.10 (0.004)
Piston ring
groove width
1st STD mm (in) 1.21 – 1.23 (0.0476 – 0.0484)
2nd STD mm (in) 1.21 – 1.23 (0.0476 – 0.0484)
Oil STD mm (in) 2.51 – 2.53 (0.099 – 0.100)
Piston ring
thickness
1st STD mm (in) 1.17 – 1.19 (0.046 – 0.047)
2nd STD mm (in) 1.17 – 1.19 (0.046 – 0.047)
Pin clearance in piston
pin hole
STD mm (in) 0.002 – 0.013 (0.0001 – 0.0005)
Limit mm (in) 0.040 (0.0016)
Piston pin outside diam-
eter
STD mm (in) 13.995 – 14.000 (0.5510 – 0.5512)
Limit mm (in) 13.980 (0.5504)
Piston pin hole diameter STD mm (in) 14.002 – 14.008 (0.5513 – 0.5515)
Limit mm (in) 14.030 (0.5524)