Adjusting Chain Tension - BMW F 800 GS Rider's Manual

8
Chain deflection
94
35...45 mm (Motorcycle with
no weight applied, supported
on its side stand)
If measured value is outside per-
mitted tolerance:
Adjust the chain tension
( 94)

Adjusting chain tension

Make sure the ground is level
z
and firm and place the motor-
cycle on its stand.
Slacken quick-release axle
nut 1.
Slacken locknuts 2 on left and
right by turning them counter-
clockwise.
Use adjusting screws 3 on left
and right to adjust chain ten-
sion.
Turning screws clockwise: re-
duces chain tension.
Turning screws counter-clock-
wise: increases chain tension.
Check the chain tension
( 93)
Make sure that scale read-
ings 4 are the same on left and
right.
Tighten locknuts 2 on left and
right by turning them clock-
wise.
Locknut of the final-drive
chain tensioning screw
19 Nm
Tighten quick-release axle
nut 1 to the specified tight-
ening torque.
Rear quick-release axle in
swinging arm
100 Nm
Checking chain wear
Make sure the ground is level
and firm and place the motor-
cycle on its stand.