Disassembling, Checking, Repairing And Reassembling Cylinder Head; Removing And Installing Valves; Removing Valve Stem Seals - BMW R 1100 S 1999 Repair Manual

Disassembling, checking, repairing
and reassembling cylinder head

Removing and installing valves

e
Caution:
Do not scratch sealing face on cylinder head. Place
the head on a clean, non-scratching surface.
•
Mount valve spring compressor,
BMW No. 11 5 690, on cylinder head.
•
Compress the valve springs.
•
Gently tap valve head to release collets from
spring retainer.
•
Remove valve collet sections.
•
Relieve tension on valve springs.
•
Remove top and bottom spring retainers, valve
springs and valves.

Removing valve stem seals

•
Pull off valve stem seal with pliers,
BMW No. 11 1 250.
L
Note:
If a valve is removed, the valve stem seal must be re-
placed.
11 5 690
11 1 250
RS110130
11.25