BMW S 1000XR 2018 Rider's Manual page 163

the pinion and sprocket and
measure the chain sag A.
Chain sag
1.8...2 in (45...50 mm) (Motor-
cycle unloaded on side stand)
OE
with lowered
1.4...1.8 in (35...45 mm) (Mo-
torcycle unloaded on side
stand)
If the chain sag is outside the
approved tolerance:
Adjust chain tension (
Adjusting chain tension
Park motorcycle, ensuring that
support surface is firm and
level.
Loosen nut 1.
Loosen lock nuts 3 on left and
right.
Adjust chain tension with ad-
justing screws 2 on left and
161).
right.
Check chain tension (
Ensure that the figures 4 indi-
cating the adjustment settings
are identical on left and right.
Tighten locknuts 3 on left and
right to the specified torque.
Lock nut of the drive
chain tensioning screw
14 lb/ft (19 Nm)
Tighten nut 1 to the specified
torque.
Rear-wheel quick-release
axle in swinging arm
Thread-locking compound:
mechanical
74 lb/ft (100 Nm)
Check chain wear
Engage 1st gear.
Rotate rear wheel toward front
of vehicle until the chain is ten-
sioned.
Determine chain length below
160).
the rear wheel swinging arm
above the center of 10 rivets at
3 different locations.
9
161
z