OC60-E2, OC95-E2, WSM
ENGINE
S-44
Oil Clearance between Rocker Arm Shaft and Shaft Hole
1. Measure the rocker arm shaft O.D. with an outside
micrometer.
2. Measure the rocker arm shaft hole I.D. with an inside
micrometer, and calculate the oil clearance.
3. If the clearance still exceeds the allowable limit, replace the
rocker arm.
4. If the clearance still exceeds the allowable limit after replacing
the new rocker arm, replace the rocker arm shaft.
Cylinder Wear
1. Measure the I.D. of cylinder liner with a cylinder gauge at 6
points as shown in the figure to obtain the maximum wear.
2. If the measurement exceeds the allowable limit, the cylinder
liner needs to be bored to an oversize, and then hone-finished.
3. When the oversize allowable limit is exceeded, replace the
cylinder block.
[Oversize Cylinder Liner (0.25 OS)]
A
Replace the piston and piston rings with oversize ones.
Oil clearance between
rocker arm shaft and
shaft hole
Factory spec.
0.016 to 0.045 mm
0.0006 to 0.0018 in.
Allowable limit
0.12 mm
0.0047 in.
0000009266E
Cylinder liner I.D.
Factory
spec.
OC60-E2
72.000 to 72.019 mm
2.8346 to 2.8354 in.
OC95-E2
83.018 to 83.038 mm
3.2684 to 3.2692 in.
Allowable
limit
OC60-E2
72.10 mm
2.839 in.
OC95-E2
83.10 mm
3.272 in.
Oversize cylinder liner
I.D.
Factory
spec.
OC60-E2
72.250 to 72.269 mm
2.8445 to 2.8452 in.
OC95-E2
83.268 to 83.288 mm
3.2783 to 3.2791 in.
Oversize
Part Name
Model
Code No.
0.25 OS
Piston
OC60-E2
11420-21913
OC95-E2
11460-21911
Oversize
Part Name
Model
Code No.
0.25 OS
Piton ring assembly
OC60-E2
11420-21092
OC95-E2
11460-21091
(1)
Top
(a)
Right-angled to Piston Pin
(2)
Middle
(b)
Piston Pin Direction
(3)
Bottom
0000009267E
