BMW R 1100 S EVO, Руководство по обслуживанию, Страница: 61 / 95

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11 12 009
Tightening cylinder heads
(Inspection I)
•
Remove cylinder head cover.
e
Important:
Catch escaping oil.
•
Select a gear and turn the rear wheel, or set the
piston to TDC on the ignition stroke by turning
the belt pulley.
Top dead centre on ignition stroke:
•
The TDC mark is visible and the inlet and exhaust
valves in the cylinder concerned are closed.
•
Tighten cylinder head nuts.
Tightening procedure after 1,000 km (600 miles)
1. Tighten the cylinder head nuts
in a crosswise pattern one by one
1.1. Slacken off one nut at a time
1.2. Tighten nut to initial torque.................... 20 Nm
1.3. Angle tighten nut ...................................... 180
°
2. Undo/tighten M 10 bolt ......................... 40 Nm
11 34 004
Checking/adjusting valve
clearances
(Inspections I, II and III)
•
Check valve clearance with feeler gauge and, if
necessary, correct with adjusting screw.
Valve clearances with engine cold
(max. 35
°
C/95
°
F):
Intake valve ............................. 0.15 mm (0.0059 in)
Exhaust valve .......................... 0.30 mm (0.0118 in)
X
Tightening torque:
Locknut.......................................................... 8 Nm
•
Check valve clearance, it should be possible to
pull the feeler gauge between the valve stem and
adjusting screw with little resistance.
•
Assembly is the reverse of the disassembly pro-
cedure.
e
Important:
Make sure that all seals are correctly seated. Seals
and sealing faces must be free from oil and grease.
X
Tightening torque:
Cylinder head cover ....................................... 8 Nm
R21000330
R21000370
R21000340