Kubota G23, Workshop Manual

Page: 93 / 343

ENGINE
G23, G26, WSM
1-S11 (EU)
Piston Pin to Small End Bushing
• Piston Pin
• Small End Bushing
Clearance
O.D.
I.D.
0.014 to 0.038 mm
0.00056 to 0.0014 in.
22.002 to 22.011 mm
0.86622 to 0.86657 in.
22.025 to 22.040 mm
0.86713 to 0.86771 in.
0.15 mm
0.0059 in.
–
–
Top Ring Piston Ring Gap 0.30 to 0.45 mm
0.012 to 0.017 in.
1.25 mm
0.0492 in.
Second Ring Piston Ring Gap 0.30 to 0.45 mm
0.012 to 0.017 in.
1.25 mm
0.0492 in.
Oil Ring Piston Ring Gap 0.25 to 0.40 mm
0.0098 to 0.015 in.
1.25 mm
0.0492 in.
Piston Ring to Piston Ring Groove
• Second Ring
• Oil Ring
Clearance
Clearance
0.0850 to 0.112 mm
0.00335 to 0.00440 in.
0.020 to 0.055 mm
0.00079 to 0.0021 in.
0.2 mm
0.008 in.
0.15 mm
0.0059 in.
Connecting Rod Alignment – 0.05 mm
0.002 in.
Crankshaft Alignment – 0.02 mm
0.0008 in.
Crankshaft to Crankshaft Bearing 1
• Crankshaft
• Crankshaft Bearing 1
Oil Clearance
O.D.
I.D.
0.0340 to 0.114 mm
0.00134 to 0.00448 in.
47.934 to 47.950 mm
1.8872 to 1.8877 in.
47.984 to 48.048 mm
1.8892 to 1.8916 in.
0.20 mm
0.0079 in.
–
–
Crankshaft to Crankshaft Bearing 2
• Crankshaft
• Crankshaft Bearing 2
Oil Clearance
O.D.
I.D.
0.034 to 0.095 mm
0.0014 to 0.0037 in.
47.934 to 47.950 mm
1.8872 to 1.8877 in.
47.978 to 48.029 mm
1.8892 to 1.8908 in.
0.20 mm
0.0079 in.
–
–
Crankshaft to Crankshaft Bearing 3
• Crankshaft
• Crankshaft Bearing 3
Oil Clearance
O.D.
I.D.
0.034 to 0.098 mm
0.0014 to 0.0038 in.
51.921 to 51.940 mm
2.0442 to 2.0448 in.
51.974 to 52.019 mm
2.0463 to 2.0479 in.
0.20 mm
0.0079 in.
–
–
Item Factory Specification Allowable Limit
KiSC issued 08, 2009 A