Piston And Connecting Rod - Kubota WSM OC60-E2 Workshop Manual

OC60-E2, OC95-E2, WSM

(2) Piston and Connecting Rod

Piston Pin Bore
1. Measure the Piston boss I.D. in both the vertical and horizontal
direction with a cylinder gauge.
2. If the measurement exceeds the allowable limit, replace it.
Factory
spec.
Piston boss I.D.
Allowable
limit
Oil Clearance between Piston Pin and Small End Bushing
1. Measure the piston pin O.D. and small end bushing I.D. with a
micrometer. Then, calculate the clearance.
2. If the oil clearance exceeds the allowable limit, replace them.
Factory spec.
Oil clearance between
piston pin and small end
bushing
Allowable limit
Factory
Piston pin O.D.
spec.
Factory
Small end bushing I.D.
spec.
S-45
20.000 to 20.013 mm
OC60-E2
0.7874 to 0.7879 in.
23.000 to 23.013 mm
OC95-E2
0.9055 to 0.9060 in.
20.03 mm
OC60-E2
0.7886 in.
23.03 mm
OC95-E2
0.9067 in.
0000009271E
0.012 to 0.040 mm
0.0005 to 0.0016 in.
0.15 mm
0.0059 in.
20.000 to 20.013 mm
OC60-E2
0.7874 to 0.7879 in.
23.000 to 23.013 mm
OC95-E2
0.9055 to 0.9060 in.
20.025 to 20.040 mm
OC60-E2
0.7884 to 0.7890in.
23.025 to 20.040 mm
OC95-E2
0.9065 to 0.9071 in.
0000009274E
ENGINE