Kubota G2160, Workshop Manual

Page: 67 / 395

1-S7
G2160, WSM ENGINE
Timing Gear
W1013874
Piston • Piston Ring
W1016812
Connecting Rod
W1016985
Item Factory Specification Allowable Limit
Timing Gear Backlash
Crank Gear- Idle Gear
Idle Gear-Cam Gear
Idle Gear-Injection Pump Gear
Crank Gear-Oil Pump Drive Gear
0.043 to 0.124 mm
0.00169 to 0.00488 in.
0.047 to 0.123 mm
0.00185 to 0.00484 in.
0.041 to 0.124 mm
0.00161 to 0.00488 in.
0.041 to 0.123 mm
0.00161 to 0.00484 in.
0.15 mm
0.0059 in.
0.15 mm
0.0059 in.
0.15 mm
0.0059 in.
0.15 mm
0.0059 in.
Clearance between Idle Gear Shaft and Idle Gear Bushing
Idle Gear Shaft O.D.
Idle Gear Bushing I.D.
0.020 to 0.084 mm
0.00079 to 0.00331 in.
19.967 to 19.980 mm
0.78610 to 0.78661 in.
20.000 to 20.051 mm
0.78740 to 0.78941 in.
0.10 mm
0.0039 in.
–
–
Idle Gear Side Clearance 0.20 to 0.51 mm
0.0079 to 0.0201 in.
0.60 mm
0.0236 in.
Piston Pin Bore I.D. 20.000 to 20.013 mm
0.78740 to 0.78791 in.
20.05 mm
0.7894 in.
Piston Ring Clearance Second Ring 0.090 to 0.120 mm
0.00354 to 0.00472 in.
0.15 mm
0.0059 in.
Oil Ring 0.04 to 0.08 mm
0.0016 to 0.0031 in.
0.15 mm
0.0059 in.
Piston Ring Gap Top Ring
Oil Ring 0.15 to 0.30 mm
0.0059 to 0.0118 in.
1.25 mm
0.0492 in.
Second Ring 0.30 to 0.45 mm
0.0118 to 0.0177 in.
1.25 mm
0.0492 in.
Oversize of Piston Rings +0.25 mm
+0.0098 in.
–
Connecting Rod Alignment – 0.05 mm
0.0020 in.
Clearance between Piston Pin and Small End Bushing
Piston Pin O.D.
Small End Bushing I.D.
0.014 to 0.038 mm
0.00055 to 0.00150 in.
20.002 to 20.011 mm
0.78748 to 0.78783 in.
20.025 to 20.040 mm
0.78839 to 0.78897 in.
0.10 mm
0.0039 in.
–
–
KiSC issued 11, 2006 A