Maintenance
103
Rear Suspension Preload
Adjustment
Street Twin, Thruxton and
Bonneville T120
Rear adjuster settings are counted from
one with position one being with the
adjuster turned fully anticlockwise.
There are five adjuster positions in total.
Position five gives the maximum amount
of spring preload.
T908043
1
1.
Rear suspension preload adjusters
The spring preload adjuster is located at
the bottom of the rear suspension unit.
To change the rear suspension spring
preload setting, insert the tool (located
in the right hand side panel) into the
hole in the adjuster ring.
Turn the adjuster ring clockwise to
increase
spring
preload,
and
counterclockwise to decrease spring
preload. When delivered from the
factory, the preload adjuster will be set
at position one.
Thruxton R
1
2
1.
Rear suspension preload adjusters
2.
Locking ring
The spring preload adjuster is located at
the top of the rear suspension unit.
To change the rear suspension spring
preload setting, insert a suitable C-
spanner into the lower part of the
adjuster ring.
Loosen the locking ring and set the
adjuster accordingly.
Turn the lower adjuster ring clockwise
to
increase
spring
preload
and
anticlockwise
to
decrease
spring
preload.
Tighten the locking ring.
Warning
Make sure that the adjusters are set
to the same setting on both rear
suspension units. Settings that vary
from left to right may affect handling
and stability resulting in loss of
motorcycle control and an accident.