30/ENGINE - WORK ON INDIVIDUAL PARTS 72
(1*,1( :25. 21 ,1',9,'8$/ 3$576
Work on the right section of the engine case
ಥ Remove the oil pressure regulator valve. ( P. 75)
200153-10
ಥ Remove oil jet and.
ಥ Remove the bearing retainer of crankshaft bearing
, drive shaft bearing, coun-
tershaft bearing
and shift drum bearing.
ಥ Remove any sealing mass remnants and clean the engine case section thoroughly.
ಥ Warm the engine case section in an oven.
Specification
150°C (302°F)
ಥ Knock the engine case section against a level wooden plate. This will cause the
bearings to drop out of the bearing seats.
Info
Any bearings that remain in the engine case section must be removed using
a suitable tool.
ಥ Press out the shaft seal ring of crankshaft from the inside to the outside.
Info
Do not press the shaft seal ring from the outside to the inside because there
is a small collar on the inside.
ಥ Remove the shaft seal ring of balancer shaft
without damaging the engine case.
ಥ Check parts for damage and wear. Replace damaged or worn parts.
ಥ Treat the new shaft seal ring of the crankshaft and the seat of the shaft seal ring in
the engine case section with activator.
Loctite
®
7471
Loctite
®
7649
ಥ Apply adhesive to the outside of the shaft seal ring.
Loctite
®
648™
ಥ Press the shaft seal ring of the crankshaft from the outside to the inside with the
open side facing inward.
Mounting sleeve (78029005000) ( P. 182)
Info
The shaft seal ring must be flush with the outside.
ಥ Press in the shaft seal ring of the balancer shaft with the open side facing out.
ಥ Warm the engine case section again.
Specification
150°C (302°F)
ಥ Slide the new bearing into the bearing seat of the hot engine case section and, if
necessary, use a suitable press drift to push the bearing from the inside to the out-
side all the way or so it is flush.
Info
When pressing the bearing in, ensure that the engine case section is level to
prevent damage.
Only press the bearings in via the outer ring, otherwise the bearings will be
damaged when they are pressed in.
ಥ After the engine case section has cooled, check that the bearings are firmly seated.
Info
If the bearings are not firmly seated after cooling, it is likely that they will
rotate in the engine house when warm. In this case, the engine case must
be renewed.
ಥ Position all bearing retainers. Mount and tighten screws.
Specification
Locking screw for bearing M5 6Nm
(4.43lbfft)
Loctite
®
243™
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