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1
2
– Heat bearing seat on flywheel
side of crankcase to about 120°C
(250°F).
Fit the ball bearing (2) by hand
from inside the crankcase and
push it home as far as stop.
Note:
This operation must be carried out
very quickly because the bearing
absorbs heat and begins to expand.
If it is not possible to heat the
crankcase, use press arbor (1)
4116 893 7205 to install the bearing.
Fit the oil seal after installing the
crankshaft - see 5.4.
Replacing main bearing at
starter side
Carefully pry the oil seal (1) out of
the crankcase.
22
Use press sleeve (1)
4112 893 2401 (1) to press the
ball bearing out of the crankcase.
Note:
Ball bearing is pressed out from the
starter side of the crankcase.
1
1
2
– Heat bearing seat on starter side
of crankcase to about 120°C
(250°F).
Fit the ball bearing (2) by hand
from inside the crankcase and
push it home as far as stop.
Note:
This operation must be carried out
very quickly because the bearing
absorbs heat and begins to expand.
If it is not possible to heat the
1
crankcase, use press arbor (1)
4116 893 7205 to install the bearing.
– Fit the oil seal after installing the
crankshaft - see 5.4.
Series 4141 Powerhead
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