BMW S 1000RR Rider's Manual page 210

Checking chain sag
10
Place the motorcycle on its
stand on firm, even ground.
208
Turn the rear wheel until it
reaches the position with the
lowest amount of chain sag.
z
Use a screwdriver to push
the chain up at a point mid-
way between the pinion and
sprocket and measure differ-
ence A.
Chain deflection
45...50 mm (Motorcycle with
no weight applied, supported
on its side stand)
If measured value is outside per-
mitted tolerance:
Adjust chain sag (
Adjust chain sag
Place the motorcycle on its
stand on firm, even ground.
Loosen quick-release axle
nut 1.
Loosen lock nuts 3 on left and
right.
Use the adjusting screws 2 on
left and right to adjust chain
sag.
Checking chain sag (
Make sure that the scale val-
ues 4 are the same on the left
and right.
208).
Tighten lock nuts 3 on left and
right to the specified tightening
torque.
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
Thread-locking compound:
mechanical
100 Nm
208).