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CRANKCASE AND CRANKSHAFT
CHECKING THE OIL STRAINER
1. Inspect:
• Oil strainer
Damage → Replace.
INSTALLING THE CRANKCASE BEARING
1. Install:
•Bearing
• Bearing stopper
• Bolt (bearing stopper)
• Screw (bearing stopper)
• Screw [bearing stopper (crankshaft)] "1"
To left and right crankcase.
• Install the bearing by pressing its outer race
parallel.
• To prevent the screw [bearing stopper (crank-
shaft)] from becoming loose, crush the screw
head periphery "a" into the concave "b" using
a punch etc. In so doing, take care not to dam-
age the screwdriver receiving hole in the
screw head.
INSTALLING THE CRANKSHAFT
1. Install:
• Crankshaft "1"
Use the crankshaft installing tool "2", "3", "4"
and "5".
Standard <Limit>
Runout lim-
it:
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 clear-
ance:
0.15–0.45 mm
(0.0059–0.0177 in)
0.50 mm
(0.02 in)
Crack
width:
61.95–62.00 mm
(2.439–2.441 in)
—
Bolt (bearing stopper):
10 Nm (1.0 m•kg, 7.2 ft•lb)
Screw (bearing stopper):
10 Nm (1.0 m•kg, 7.2 ft•lb)
Screw [bearing stopper (crank-
shaft)]:
22 Nm (2.2 m•kg, 16 ft•lb)
Crankshaft installing pot "2":
YU-90050/90890-01274
Crankshaft installing bolt "3":
YU-90050/90890-01275
Adapter (M12) "4":
YU-90063/90890-01278
Spacer (crankshaft installer) "5":
YM-91044/90890-04081