5
6
7
8
Removing and installing valves
92
Installing valves
Fig. 5
Note:
Minor damage to the valve seat can be
eliminated by lapping using valve lapping
paste.
New valves must always be lapped until
an even valve seat has been achieved.
Machine valve seat insert if necessary.
Turn cylinder head over and insert valve spring
washers. Screw off valve assembly lever.
Fig. 6
Turn cylinder head over.
Place assembly sleeve for valve stem seals
(special tool) on the respective valve.
Fig. 7
Fit sealing ring.
Note:
Use new valve shaft seals only.
Fig. 8
Take off insert sleeve.
Fit press-in sleeve and press in seal.
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