BMW S 1000RR Rider's Manual page 201

Checking chain sag
Park motorcycle on a level, firm
surface.
Turn the rear wheel until the
position with the lowest chain
sag is reached.
Using a screwdriver, press the
chain up in the center between
the pinion and sprocket wheel
and measure the difference A.
Chain sag
1.8...2 in (45...50 mm) (Motor-
cycle unloaded on side stand)
If the measured value is outside
the approved tolerance:
Adjusting chain sag (
Adjusting chain sag
Park motorcycle on a level, firm
surface.
Loosen quick-release axle
nut 1.
Loosen the lock nuts 3 on the
left and right.
Adjust the chain sag using the
adjustment screws 2 on the
left and right.
Checking chain sag (
Make sure that the same scale
value 4 is set on the left and
right.
199).
Tighten the lock nuts 3 on the
left and right to the specified
torque.
Lock nut of the drive
chain tensioning screw
14 lb/ft (19 Nm)
Tighten quick-release axle
nut 1 to tightening torque.
Rear-wheel quick-release
axle in swinging arm
Thread-locking compound:
mechanical
74 lb/ft (100 Nm)
Checking chain sag (
Check chain wear
Requirement
Chain sag is correctly adjusted.
199).
10
199
z
199).