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ENG
CRANKCASE AND CRANKSHAFT
EC4N4201
Crankshaft
1. Measure:
• Runout limit
a
• Small end free play limit
b
• Connecting rod big end side clearance
c
• Crank width
d
Out of specification
→
Replace.
Use the dial gauge and a thickness
gauge.
Dial gauge and stand:
YU-3097/90890-01252
Standard
<Limit>
Runout
limit:
0.03 mm
(0.0012 in)
0.05 mm
(0.002 in)
Small end
free play:
0.4 ~ 1.0 mm
(0.016 ~ 0.039 in)
2.0 mm
(0.08 in)
Side
clearance:
0.15 ~ 0.45 mm
(0.0059 ~ 0.0177 in)
0.50 mm
(0.02 in)
Crack
width:
55.95 ~ 56.00 mm
(2.203 ~ 2.205 in)
—
Oil strainer
1. Inspect:
• Oil strainer
Damage
→
Replace.
Oil delivery pipe 2
1. Inspect:
• Oil delivery pipe 2
1
• O-ring
2
Damage
→
Replace.
• Oil orifice
a
Clogged
→
Blow.
