BMW F 650 GS Repair Manual page 37

•
Disconnect the coolant hose (arrow) at the frame
on the left and drain the radiator.
1
•
Remove fastener (1), lift out the expansion tank
and drain off all coolant.
e
Caution:
Dispose of old coolant in an environmentally com-
patible manner.
L
Note:
Do not install and refill the coolant expansion tank if
valve clearance still has to be checked.
•
Install the expansion tank.
•
Install the drain plug with a new sealing ring and
tighten.
•
Place motorcycle on its centre stand.
E170030
•
Slacken bleed screw (2) in cylinder head.
•
Connect a hose to the bleed screw.
•
Fill the radiator until coolant escapes at the bleed
screw; repeatedly squeeze the coolant hoses to
expel the air.
•
Tighten bleed screw (2).
•
Top up coolant until the level reaches the top of
the filler neck (arrow).
•
Top up expansion tank to the MAX mark.
Capacity
Cooling
system .......... 1.2 l (2.11 Imp. pints/1.27 US quarts)
In expansion
tank............ + 0.1 l (1.17 Imp. pints/0.11 US quarts)
Antifreeze
Use only nitrite-free long-term antifreeze and corro-
E000020
sion inhibitor.
Concentration
Antifreeze .........................................................50%
Water ...............................................................50%
•
Run the engine for a short time, then switch it off.
•
Check coolant level and top up if necessary.
•
Installation is the reverse of the removal proce-
dure: pay particular attention to the following.
L
Note:
Do not reinstall the cover at this stage, if other main-
tenance work has to be performed.
X
Tightening torques:
Drain plug .................................................... 10 Nm
Expansion tank to radiator ............................. 9 Nm
Bleed screw ................................................. 12 Nm
2
E170090
00.19