User's Manual
4 - 93
ENG
CRANKCASE AND CRANKSHAFT
Crankshaft
1. Remove:
● Crankshaft 1
Use the crankcase separating tool 2.
CAUTION:
Do not use a hammer to drive out the
crankshaft.
Crankshaft bearing
1. Remove:
● Bearing 1
NOTE:
● Remove the bearing from the crankcase by
pressing its inner race.
● Do not use the removed bearing.
Crankcase separating tool:
YU-1135-A/90890-01135
INSPECTION
Timing chain and timing chain guide
1. Inspect:
● Timing chain
Cracks/stiff → Replace the timing chain
and camshaft sprocket as a set.
2. Inspect:
● Timing chain guide
Wear/damage → Replace.
EC4N4101
Crankcase
1. Inspect:
● Contacting surface a
Scratches → Replace.
● Engine mounting boss b, crankcase
Cracks/damage → Replace.
2. Inspect:
● Bearing
Rotate inner race with a finger.
Rough spot/seizure → Replace.
3. Inspect:
● Oil seal
Wear/damage → Replace.