Yamaha WR450FR Owner's Service Manual page 216

1
Å
CRANKCASE AND CRANKSHAFT
b
ı
EC4N5000
ASSEMBLY AND INSTALLATION
Crankshaft bearing
1. Install:
Bearing
G
a
Bearing stopper
G
Bolt (bearing stopper)
G
Screw (bearing stopper)
G
Screw [bearing stopper (crankshaft)] 1
G
To crankcase (left and right).
NOTE:
Install the bearing by pressing its outer race
G
parallel.
To prevent the screw [bearing stopper
G
(crankshaft)] from becoming loose, crush the
screw head periphery a into the concave b
using a punch etc. In so doing, take care not
to damage the screwdriver receiving hole in
the screw head.
Crankshaft
1. Install:
Crankshaft 1
G
Use the crankshaft installing tool 2, 3,
4 and 5.
Crankshaft installing pot 2:
YU-90050/90890-01274
Crankshaft installing bolt 3:
YU-90050/90890-01275
Adaptor (M12) 4:
YU-90063/90890-01278
Spacer (crankshaft installer) 5:
YM-91044/90890-04081
Å For USA and CDN
ı Except for USA and CDN
4 - 95
ENG
New
10 Nm (1.0 m · kg, 7.2 ft · lb)
10 Nm (1.0 m · kg, 7.2 ft · lb)
10 Nm (1.0 m · kg, 7.2 ft · lb)