Kubota BX1860 Workshop Manual page 77

BX1860, BX2360, BX2660, RCK48(P)-18BX, RCK54(P)-23BX, RCK60B-23BX, LA203, LA243, WSM
ENGINE BODY (Continued)
Cam Height
Camshaft Journal to Cylinder Block Bore
Camshaft Journal
Cylinder Block Bore
Piston Pin Bore
Piston Pin to Small End Bushing
Piston Pin
Small End Bushing
Piston Ring Gap
Piston Ring to Piston Ring Groove
Second Ring
Oil Ring
Connecting Rod
Crankshaft
Crankshaft to Crankshaft Bearing 1
Crankshaft
Crankshaft Bearing 1
Item
Intake
Exhaust
Oil Clearance
O.D.
I.D.
I.D.
Clearance
O.D.
I.D.
Top Ring
Second Ring
Oil Ring
Clearance
Clearance
Alignment
Alignment
Oil Clearance
O.D.
I.D.
1-S12
Factory Specification
28.80 mm
1.134 in.
29.00 mm
1.142 in.
0.050 to 0.091 mm
0.0020 to 0.0035 in.
35.934 to 35.950 mm
1.4148 to 1.4153 in.
36.000 to 36.025 mm
1.4174 to 1.4183 in.
22.000 to 22.013 mm
0.86615 to 0.86665 in.
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.
0.30 to 0.45 mm
0.012 to 0.017 in.
0.30 to 0.45 mm
0.012 to 0.017 in.
0.25 to 0.40 mm
0.0098 to 0.015 in.
0.0850 to 0.112 mm
0.00335 to 0.00440 in.
0.020 to 0.055 mm
0.00079 to 0.0021 in.
–
–
0.0340 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.
ENGINE
Allowable Limit
28.75 mm
1.132 in.
28.95 mm
1.140 in.
0.15 mm
0.0059 in.
–
–
22.03 mm
0.8673 in.
0.15 mm
0.0059 in.
–
–
1.25 mm
0.0492 in.
1.25 mm
0.0492 in.
1.25 mm
0.0492 in.
0.2 mm
0.008 in.
0.15 mm
0.0059 in.
0.05 mm
0.002 in.
0.02 mm
0.0008 in.
0.20 mm
0.0079 in.
–
–
W10138740
KiSC issued 06, 2009 A