Triumph Bonneville Handbook page 77

Tyre Wear
As the tyre tread
wears down, the
tyre becomes more
punctures. It is estimated that 90% of all tyre
problems occur during the last 10% of tread
life (90% worn).
economy and unsafe to use tyres until they
are worn to their minimum.
Minimum Recommended Tread Depth
In accordance
maintenance chart, measure the depth of
the tread with a depth gauge, and replace
any tyre that has worn to, or beyond, the
minimum allowable tread depth specified in
the table below:
Under 130 km/h
(80 mph)
Over 130 km/h
(80 mph)
WARNING: This motorcycle
must not be operated above
the legal road speed limit except in
authorised closed course conditions.
WARNING: Only operate this
Triumph motorcycle at high
!!
speed in closed-course on-road
!
competition or on closed course race
tracks. High speed operation should
only then be attempted by riders who
have been instructed
techniques necessary for high speed
!!
riding and are familiar with the
!
motorcycle's characteristics in all
conditions. High speed operation in
any other circumstances
dangerous and will lead to loss of
motorcycle control and an accident.
Maintenance and Adjustment
susceptible
It is, therefore, false
with the periodic
2 mm (0.08 in)
Rear 3 mm (0.12 in)
Front 2 mm (0.08 in)
in the
is
WARNING:
excessively worn tyres is
hazardous and will adversely affect
traction, stability and handling which
to
may lead to loss of control and an
accident.
When tyres
!!
leakage is often very slow. Always
!
inspect tyres
punctures. Check the tyres for cuts,
embedded nails or other sharp
objects. Operation with punctured or
damaged tyres will adversely affect
stability and handling which may lead
to loss of control or an accident.
Check the
deformation
looseness and damage. Operation
with damaged or defective wheels,
spokes or tyres is dangerous and loss
of control or an accident could result.
Always consult
Triumph dealer for tyre replacement,
or for a safety inspection of the
wheels, spokes and tyres.
Page 76
Operation with
become punctured,
very closely
rims for dents
and spokes
your authorised
for
or
for