Yamaha YZ85LC Fahrer- Und Wartungs-Handbuch Seite 308

CRANKCASE AND CRANKSHAFT
5PA41680
5PA41690
5PA41700
5PA41710
4 - 56
Crankshaft
1. Measure:
Runout limit a
G
Small end free play limit b
G
Connecting rod big end side clearance c
G
Crank width d
G
Out of limit → Replace.
Use the dial gauge and a thickness gauge.
Dial gauge and stand:
YU-3097/90890-01252
Standard
Runout 0.03 mm
limit: (0.0012 in)
Small end 0.5 ~ 1.2 mm
free play: (0.020 ~ 0.047 in)
Side 0.20 ~ 0.70 mm
clearance: (0.008 ~ 0.028 in)
Crack 44.90 ~ 44.95 mm
width: (1.768 ~ 1.770 in)
EC4N5000
ASSEMBLY AND INSTALLATION
Crankshaft bearing
1. Install:
Bearing 1
G
To left and right crankcase.
NOTE:
Install the bearing by pressing its outer race
parallel.
Oil seal
1. Install:
Oil seal 1
G
NOTE:
Apply the lithium soap base grease on the oil
G
seal lip.
Install the oil seal with its manufacture's
G
marks or numbers facing outward as shown.
ENG
<Limit>
0.08 mm
(0.003 in)
2.0 mm
(0.08 in)
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