BMW R 1150 GS Rider's Manual page 56

Wheels
2
54
Checking tyre pressures
d
Warning:
Incorrect tyre pressures have
a considerable influence on
handling and on tyre life.
Adjust tyre pressures to suit
total weight. Never exceed ei-
ther the motorcycle's gross
weight or the individual wheel
load limits ( 57).
b
– When tyres are cold:
• Remove valve caps
• Check/correct tyre pressure
Tyre pressures for
road tyres and massive-bar
tyres:
one-up
(31.9 psi) 36 psi)
two-up
(36 psi) (39 psi)
two-up
and luggage 2.5 bar 2.9 bar
(36 psi) (42 psi)
• Fully tighten valve caps
Screw valve caps on
tightly
d
Warning:
At high road speeds, tyre
valves have a tendency to
open as a result of centrifugal
force.
Use only metal valve caps
with rubber seals.
Valve caps that are screwed
on well prevent air from es-
caping suddenly.
front rear
2.2 bar 2.5 bar
2.5 bar 2.7 bar