OC60-E2, OC95-E2, WSM
ENGINE
S-48
Correcting Crank Pin
If the standard-size crank pin bearing cannot be employed due
to excessive wear of the crank pin, use an undersize crank pin
bearing.
For undersize crank pin bearing use, be sure to correct the
crank pin.
1. Grind the corner radius (1) of the crank pin precisely.
2. The crank pin surface must be fine-finished to higher than
(0.4-S).
[Undersize crank pin (0.25 US)]
[Undersize crank pin bearing (0.25 US)]
Crankshaft Side Clearance
1. After a metal plate to the cylinder.
2. Set a dial gauge and push the shaft and measure the side
clearance.
3. If the clearance exceeds the allowable limit, replace the
bearing.
A
If the clearance still exceeds the allowable limit after
replacing the bearing with new one. Use an over size
bearing.
Undersize crank pin
O.D.
Factory
spec.
OC60-E2
35.709 to 35.725 mm
1.4059 to 1.4065 in.
OC95-E2
39.709 to 39.725 mm
1.5633 to 1.5640 in.
size
Part Name
Mark
Model
Code No.
0.25 mm
U.S.
Undersize crank
pin bearing
U.S.
0.25
OC60-E2
11420-22961
OC95-E2
11460-22961
Dimension (a)
Factory spec.
2.8 to 3.2 mm radius
0.1102 to 0.1260 in. radius
0000009284E
Size
Part Name
Model
Code No.
0.25 mm
O.S.
Side Bearing 1
OC60-E2
11420-23951
OC95-E2
11460-23951
Side Bearing 2
OC60-E2
11420-23971
OC95-E2
11460-23971
Side clearance of
crankshaft
Factory spec.
0.05 to 0.20 mm
0.0020 to 0.0079 in.
Allowable limit
0.35 mm
0.0138 in.
0000009295E
