Assembly And Installation - Yamaha WR426F Manual De Servcio Del Propietario

1
Å
CRANKCASE AND CRANKSHAFT
a
b
ı
EC4N5000

ASSEMBLY AND INSTALLATION

Crankshaft bearing
1. Install:
Bearing
Bearing stopper
Screw (bearing stopper)
Screw [bearing stopper (crankshaft)] 1
To crankcase (left and right).
NOTE:
Install the bearing by pressing its outer race
parallel.
To prevent the screw [bearing stopper
(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
Use the crankshaft installing tool 2, 3,
4, 5.
Crankshaft installing tool:
Pot 2:
YU-90050/90890-01274
Bolt 3:
YU-90050/90890-01275
Adapter 4:
YM-1277/90890-01277
Spacer 5:
YM-91044/90890-04081
Å For USA and CDN
ı Except for USA and CDN
NOTE:
Hold the connecting rod at top dead center
with one hand while turning the nut of the
installing tool with the other. Operate the
installing tool until the crankshaft bottoms
against the bearing.
Before installing the crankshaft, clean the
contacting surface of crankcase.
CAUTION:
Do not use a hammer to drive in the crank-
shaft.
4 - 98
ENG
New
10 Nm (1.0 m · kg, 7.2 ft · lb)
10 Nm (1.0 m · kg, 7.2 ft · lb)