Maintenance
101
Rear Suspension Preload
Adjustment
Bonneville Speedmaster Only
The spring preload adjuster is located at
the top of the rear suspension unit and
is accessed by removing the rider’s seat.
Rear adjuster settings are counted from
one, with position one being with the
adjuster turned fully clockwise. Position
one gives the minimum amount of
spring preload. There are seven adjuster
positions in total. Position seven gives
the maximum amount of spring preload.
ckeb
1
A
B
1. Rear suspension preload adjuster ring
A. Anticlockwise direction
B. Clockwise direction
To change the rear suspension spring
preload setting:
• Remove the rider’s seat, see
.
• Insert the C-spanner (C-spanner
and handle attached to the
underside of the rider’s seat) into
the slots of the adjuster ring.
• Turn the adjuster ring anticlockwise
(shown as direction A in the
diagram) towards the left hand side
of the motorcycle to increase
spring preload.
• Turn the adjuster ring clockwise
(shown as direction B in the
diagram) towards the right hand
side of the motorcycle to decrease
spring preload.
Rear Suspension Settings
Preload Loading Condition
Rear Spring
Preload
1
Solo riding
1
Solo riding with accessories/
loading (not exceeding limits)
3
Rider and passenger
7
Rider and passenger with
accessories/loading (not
exceeding limits)
7
1
Position 1 is minimum (fully clockwise) and
position 7 is maximum (fully anticlockwise).
Note:
• This chart is only a guide. Setting
requirements may vary for rider
weight and personal preferences.
• The motorcycle is delivered from
the factory with the preload
adjuster set at position one.
