Triumph T120 Owner's Manual page 106

Maintenance
Warning
Failure to use an inner tube in a
spoked wheel will cause deflation of
the tire resulting in loss of motorcycle
control and an accident.
T908044
Typical Tire Marking
Warning
Do not install tube-type tyres on
tubeless rims. The bead will not seat
and the tyres could slip on the rims,
causing rapid tyre deflation that may
result in a loss of vehicle control and
an accident. Never install an inner tube
inside a tubeless tyre. This will cause
friction inside
resulting heat build-up may cause the
tube to burst resulting in rapid tyre
deflation, loss of vehicle control and an
accident.
106
the tyre and
Inner tubes must only be used on
motorcycles
wheels and with tires marked 'TUBE
TYPE'.
Some brands of approved tires marked
'TUBELESS' may be suitable for use
with an inner tube. Where this is the
case, the tire wall will be marked with
text permitting the fitment of an inner
tube (see illustration below).
Use of an inner tube with a tire
marked 'TUBELESS', and NOT marked
as suitable for use with an inner tube,
or use of an inner tube on an alloy
wheel
TUBELESS TYRES' will cause deflation
of the
motorcycle control and an accident.
the
Typical Tire Marking - Tubeless Tire
Suitable For Use With An Inner Tube
Warning
equipped with
marked 'SUITABLE
tire resulting in
spoked
FOR
loss of