Chain - BMW G 650 GS Rider's Manual

Checking spokes
Make sure the ground is level
and firm and place the motor-
cycle on its stand.
Draw the handle of a screw-
driver or a similar instrument
across the spokes and listen
to the notes of the individual
spokes.
If the notes vary:
Have the spokes checked by a
specialist workshop, preferably
an authorised BMW Motorrad
dealer.

Chain

Lubricating chain
Dirt, dust and inadequate
lubrication will result in ac-
celerated wear and significantly
shorten the drive chain's useful
life.
Clean and lubricate the drive
chain at regular intervals.
Lubricate the drive chain every
1000 km at the latest. Lubric-
ate the chain more frequently if
the motorcycle is ridden in wet,
dusty or dirty conditions.
Switch the ignition off and se-
lect neutral.
Clean the drive chain with a
suitable cleaning product, dry it
and apply chain lubricant.
Wipe off excess lubricant.
Checking chain sag
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 and meas-
ure difference a.
Chain deflection
35...45 mm (Motorcycle with
no weight applied, supported
on its centre stand)
If measured value is outside per-
mitted tolerance:
Adjust the chain sag (
8
75
z
76).