BMW R 1250 GS Adventure Rider's Manual page 199

Make sure the ground is level
and firm and place the motor-
cycle on its stand.
Check tyre pressures against
the data below.
Tyre pressure, front
2.5 bar (Tyre cold)
Tyre pressure, rear
2.9 bar (Tyre cold)
If tyre pressure is too low:
Correct tyre pressure.
Tyre pressures can be de-
termined with tyre pres-
sure control (RDC). The tyre-
pressure readings shown in the
instrument cluster are tempe-
rature-compensated and are
always referenced to a tyre
air temperature of 20 °C. The
gauges on forecourt air lines
do not compensate for tem-
perature. Consequently, the
values they show do not usually
tally with the pressure read-
ings shown by the instrument
cluster.
Check the tyre tread depth
WARNING
Riding with badly worn tyres
Risk of accident due to im-
paired handling
If applicable, have the tyres
changed in good time be-
fore they wear to the min-
imum tread depth permitted
by law.
Make sure the ground is level
and firm and place the motor-
cycle on its stand.
Measure the tyre tread depth
in the main tread grooves
with wear marks.
Each tyre has wear
indicators integrated
into the main tread grooves.
The tyre has reached its wear
limit when the tread has worn
down to the level of the wear
indicators. The locations of
the marks are indicated on the
edge 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 ap-
plicable.
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