Checking Oil Clearance Between Camshaft Journal And Crankcase Bore; Checking Piston Pin Bore I.d - Kubota WSM 05-E4B Series Workshop Manual

4. ENGINE
1. Measure the height of the cam at its highest point
with an outside micrometer.
NOTE
• If the measurement is less than the service
limit, replace the camshaft.
Service specifi-
cation
Intake cam height
Service limit
Service specifi-
cation
Exhaust cam
height
Service limit
6.23 Checking oil clearance between
camshaft journal and crankcase
bore
Tools required
• Inside micrometer
• Outside micrometer
• Cylinder gauge
1. Measure the camshaft journal O.D. with an outside
micrometer.
Camshaft journal Service specifi-
O.D. cation
4-60
28.80 mm
1.134 in.
28.75 mm
1.132 in.
29.00 mm
1.142 in.
28.95 mm
1.140 in.
35.934 to 35.950 mm
1.4148 to 1.4153 in.
2. Measure the crankcase bore I.D. for the camshaft
with an inside micrometer or cylinder gauge.
Camshaft bearing Service specifi-
I.D. cation
3. Calculate the oil clearance.
NOTE
• If the oil clearance is more than the service
limit, replace the camshaft.
Service specifi-
cation
Oil clearance of
camshaft journal
Service limit

6.24 Checking piston pin bore I.D.

Tools required
• Cylinder gauge
SERVICING
6. Servicing
36.000 to 36.025 mm
1.4174 to 1.4183 in.
0.050 to 0.091 mm
0.0020 to 0.0035 in.
0.15 mm
0.0059 in.
05-E4B SERIES,05-E4BG SERIES
KiSC issued 03, 2023 A