Operation Manual

CRANKCASE AND CRANKSHAFT
4-79
2. Inspect:
• Oil seal 1
Wear/Damage ≥ Replace.
3. Measure:
• Runout limit a
• Small end free play limit b
• Connecting rod big end side clearance c
• Crank width (crank pin side) d
Out of specification ≥ Replace.
Use the dial gauge and thickness gauge.
Dial gauge:
YU-3097/90890-01252
A
Standard <Limit>
Runout 0.03 mm 0.05 mm
limit (0.0012 in) (0.0020 in)
Small end 0.8~1.0 mm 2.0 mm
free play (0.031~0.039 in) (0.08 in)
Side 0.45~0.95 mm
–
clearance (0.018~0.037 in)
Crank
49.975~50.025 mm
–
width (1.968~1.969 in)
s
EC4A4200
Push lever axle
1. Inspect:
• Push lever axle 1
Wear/Damage ≥ Replace.
• Torsion spring 2
Broken/Damage ≥ Replace.
EC4N5000
ASSEMBLY AND INSTALLATION
EC4N5291
Crankshaft
1. Install:
• Oil seal 1
To crankshaft 2.
NOTE:
Apply the lithium soap base grease on the oil
seal lip.
ENG