Removing The Crankshaft Bearing; Checking The Crankshaft And Connecting Rod - Yamaha YZ85W1 Service Manual

CRANKCASE AND CRANKSHAFT

REMOVING THE CRANKSHAFT BEARING

1. Remove:
NOTE: NOTE:
• Remove the bearing from the crankcase by
pressing its inner race as shown in
• If the bearing is removed together with the
crankshaft, remove the bearing using a gen-
eral bearing puller
Do not use the removed bearing.
EAS00394
CHECKING THE CRANKSHAFT AND
CONNECTING ROD
1. Measure:
NOTE: NOTE:
Turn the crankshaft slowly.
2. Measure:
5-42
• bearing
CAUTION:
• crankshaft runout
Out of specification → Replace the crank-
shaft, bearing or both.
Maximum crankshaft runout
0.08 mm (0.003 in)
• small end free play
Out of specification → Replace the small
end bearing or piston pin.
Maximum small end free play
2.0 mm (0.08 in)
ENG
.
as shown in .