58 – English
A
B
C
D
E
E
A
B
C
D
Fig 87
Fig 86
4
Use the 576 66 64-01 (A), 576 95 46-01 (D) and
725 23 80-51 (E) tools to dismantle the crankcase
bearing (B) and sealing ring (C). Fit the service tool
as outlined in Figure 86.
Note! These tools are included in mounting kit 577
71 44-02 and can not be ordered separately.
5
Tighten with a suitable socket spanner until the
crankcase bearing (B) and sealing ring (C) come
away from the crankcase half.
6
Carry out the same steps as in point four for the
second crankcase half. See gure 87.
Cleaning and checking
Clean all parts and scrape off all gasket remains
from the contact surfaces on the crankcase halves.
Check the following:
• That the big-end bearing does not have any
radial play. Axial play is permitted. See
Figure 85.
• That the big-end bearings do not have any
score marks or are discoloured on the sides.
• That the bearing surface for the gudgeon pin
bearing does not have any score marks or is
discoloured. See Figure 85.
• That the crankshaft bearing has no play or
knocks.
• That the sealing surfaces of the sealing rings
tted against the crankshaft are not worn.
• That the crankcase is not cracked.
Fig 85
Repair instructions
To Next Page
Loading...
