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CRANKCASE AND CRANKSHAFT
4-64
2. Inspect:
9 Bearings 1
Rotate inner race with a finger.
Rough spot/Seizure ¡ Replace.
3. Inspect:
9 Oil seal 1
Damage ¡ Replace.
EC4N4202
Crankshaft
1. Measure:
9 Runout limit a
9 Small end free play limit b
9 Connecting rod big end side clearance c
9 Crank width d
Out of specification ¡ Replace.
Use the dial gauge and a thickness gauge.
Dial gauge:
YU-3097/90890-01252
Standard
Runout
0.03 mm
limit:
(0.0012 in)
Small end
0.8~1.0 mm
free play:
(0.031~0.039 in)
Side
0.06~0.64 mm
clearance: (0.002~0.025 in)
Crank
55.90~55.95 mm
width:
(2.201~2.203 in)
EC4N5000
ASSEMBLY AND INSTALLATION
EC4N5300
Crankshaft bearing
1. Install:
9 Bearing 1
To crankcase (left and right).
NOTE:
Install the bearing by pressing its outer race
parallel.
ENG
<Limit>
0.05 mm
(0.0020 in)
2.0 mm
(0.08 in)
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