Chain - BMW F 800 GS Adventure Rider's Manual

Make sure the ground is level
8
and firm and place the motor-
cycle on its stand.
88
Measure the tyre tread depth
in the main tread grooves with
wear marks.
Wear indicators are built
into the main profile
grooves on each tyre. The tyre
is worn out when the tyre tread
has worn down to the level of
the marks. The locations of the
marks are indicated on the edge
z
of the tyre, e.g. by the letters TI,
TWI or by an arrow.
If the tyre tread is worn to min-
imum:
Replace tyre or tyres, as applic-
able.

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.
Check 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 side stand)