Installing Cylinder Head - BMW R 1100 S Repair Manual

1

Installing cylinder head

•
Install cylinder head gasket.
•
Fit cylinder head and insert correctly positioned
camshaft chain sprocket (1) and timing chain into
chain cavity.
•
Install valve gear holder (2).
•
Tighten cylinder head securing screws and nuts.
e
Caution:
Install cylinder head nuts with collar (arrow) toward
cylinder head.
X
Tightening torque/tightening sequence:
1. Tighten cylinder head nuts (oiled) in diagonally
opposite sequence
1.1 Tighten all nuts....................................... 20 Nm
1.2 Tighten all nuts to correct angle .................. 90°
1.3 Tighten all nuts to correct angle .................. 90°
2. M 10 screw ............................................ 40 Nm
3. M 6 screw ................................................ 9 Nm
X
Tightening torque:
Retighten after 1000 km (app. 600 miles)
Tighten cylinder head nuts in diagonally opposite
sequence
1. Slacken one nut
2. Tighten nut to initial torque...................... 20 Nm
3. Tighten nut to wrench angle ...................... 180°
4. Slacken and retighten M10 screw ........... 40 Nm
11.54
2
•
Fit camshaft chain sprocket in accordance with
adjustment specification.
•
Lock the clutch housing with special tool,
BMW No. 11 5 640.
•
Tighten camshaft chain sprocket.
X
Tightening torque:
Camshaft sprocket retaining screw .............. 65 Nm
•
Insert the left-side camshaft sprocket with pin
into the camshaft and set the left cylinder to firing
TDC.
•
Fit camshaft chain sprocket in accordance with
adjustment specification.
•
Tighten camshaft chain sprocket.
•
Install chain tensioner.
•
Check that marks on camshaft sprockets are in
accordance with adjustment specification.
X
Tightening torque:
Chain tensioner ............................................ 32 Nm
M6 x 60
M6 x 30
M6 x 30
M6 x 30
S110130