Chain - BMW F 800 GS Adventure Rider's Manual

Make sure ground is level and
firm and park motorcycle.
Measure tire tread depth in
main tread grooves with wear
indicators.
Tread wear marks are
integrated into the main
grooves on every tire. If the tire
tread has worn down to the
level of the marks, the tire is
completely worn. The locations
of the marks are indicated on
the edge of the tire, e.g. by the
letters TI, TWI or by an arrow.
When the minimum tread depth
is reached:
Replace the worn tires.

Chain

Lubricating chain
Dirt, dust and insufficient
lubrication will considerably
shorten the service life of the
drive chain.
Clean and lubricate the drive
chain regularly.
Lubricate drive chain at least
every 620 mls (1000 km). After
driving though water or dust
and dirt perform the lubrication
at shorter intervals.
Switch off ignition and engage
Neutral.
Clean drive chain with suitable
cleaning agent, dry and apply
chain lubricant.
Wipe off excess lubricant.
Check chain sag
Make sure ground is level and
firm and park motorcycle.
Turn the rear wheel until the
position with the lowest chain
sag is reached.
Press chain upward and down-
ward using a screwdriver and
measure difference A.
Chain sag
1.4...1.8 in (35...45 mm) (Mo-
torcycle unloaded on side
stand)
If the measured value is outside
the approved tolerance:
Adjusting chain sag (
Adjusting chain sag
Make sure ground is level and
firm and park motorcycle.
8
89
z
89).