BMW F 650 GS Repair Manual page 79

1
•
Remove machine screws for chaincase (1).
•
Disconnect plug of oil-pressure sensor.
•
Remove oil pressure switch.
•
Remove rear collar screw (2) from cylinder head.
•
Remove front collar screws from cylinder head.
•
Remove top collar screws from cylinder head.
•
Remove collar nuts from cylinder head.
•
Raise cylinder head clear of stud bolts, turn the
cylinder head and lift it toward the rear to
remove.
•
Installation is the reverse of the removal proce-
dure: pay particular attention to the following.
L
Note:
Replace cylinder head gasket.
5
9
3
14
15
7
12
•
Initially tighten the collar nuts of the cylinder head
to 20 Nm (3-6) and then tighten to 60 Nm (7-10).
•
Tighten the fasteners of the cylinder head to cyl-
inder in the sequence as shown (11-16) to spec-
ified torque.
2
E110110
4
11
16
8
10
13
16
16
6
E110151
•
When looping the timing chain over the camshaft
sprockets, make sure that the sprockets are at
the TDC position.
•
Before installing the cylinder head cover, remove
all traces of the gasket and clean the sealing face
with degreasing agent. Also clean the groove
and the seating faces for the gasket.
X
Tightening torques:
Engine guard to frame.................................... 9 Nm
Footrest plate to frame ................................. 30 Nm
Silencer to exhaust manifold ........................ 55 Nm
Exhaust manifold to cylinder head................ 20 Nm
Intake air silencer to frame ............................. 9 Nm
Intake pipe to cylinder head ......................... 21 Nm
Lid of electronic equipment box to frame ....... 4 Nm
Ignition coil holder .......................................... 9 Nm
Oil lines to cylinder head ................................ 8 Nm
Cylinder head cover to cylinder head ........... 10 Nm
Spark plug in cylinder head .......................... 20 Nm
Rear frame to main frame ............................. 21 Nm
Oil line to engine block ................................. 35 Nm
Timing-chain tensioner to cylinder head ....... 40 Nm
Chain guide to bearing cap
(clean threads + Loctite 243) ........................ 10 Nm
Camshaft bearing cap to cylinder head ........ 10 Nm
Cylinder head to frame ................................. 41 Nm
Cylinder head to frame, adjuster sleeve
..............................................zero play, max. 5 Nm
Cylinder head to frame, locknut.................. 100 Nm
Machine screws, chaincase ......................... 10 Nm
Collar screws, cylinder head ........................ 33 Nm
Collar nuts, cylinder head................stage 1: 20 Nm
.......................................................stage 2: 60 Nm
Starter to clutch housing .............................. 10 Nm
Oil-pressure switch in engine block
(clean threads + Loctite 243) ........................ 12 Nm
Cable cover to engine .................................... 5 Nm
11.19