BMW S 1000 RR Rider's Manual page 119

Checking chain tension
Make sure the ground is level
and firm and place the motor-
cycle on its stand.
Turn the rear wheel until it
reaches the position with the
lowest amount of chain sag.
Use a screwdriver to push the
chain up and down at a point
midway along the run between
pinion and sprocket and meas-
ure difference a.
Chain deflection
30...40 mm (Motorcycle with
no weight applied, supported
on its side stand)
If measured value is outside per-
mitted tolerance:
Adjust the chain tension
( 115).
Adjust the chain tension
Make sure the ground is level
and firm and place the motor-
cycle on its stand.
Slacken quick-release axle
nut 1.
Slacken locknuts 3 on left and
right.
Use adjusting screws 2 on left
and right to adjust chain ten-
sion.
Checking chain tension
( 115).
Make sure that scale read-
ings 4 are the same on left and
right.
Tighten locknuts 3 on left and
right to the specified tightening
torque.
9
115
z