Special Tools
DescriptionPart NumberQty.
SPANNER WRENCH
HD-51439
1

General
The rear shock absorber spring preload can be adjusted for the weight the motorcycle is to carry and has five preload graduations. Notice the adjustment settings as you turn the collar.
Use the adjustment setting numbers as a reference for equal adjustment of shock absorbers on both the right and left side of the motorcycle.
Adjustment
WARNING
Adjust both shock absorbers equally. Improper adjustment can adversely affect stability and handling, which could result in death or serious injury. (00036b)
NOTICE
Do not turn the shock absorber adjustment collar clockwise beyond adjustment setting 5. Doing so may result in equipment damage. (00166b)
NOTE
See Figure 1. Do not turn the preload cam from position five (5) to position one (1) or from position one (1) to position five (5).
  1. See Figure 2. Put the SPANNER WRENCH (Part Number:HD-51439) around the lower collar of the shock absorber.
  2. Turn the spring adjusting cam to the desired position. When returning to off-cam position, cams should be backed off in opposite direction.
    1. Turn the collar toward higher numbers to increase the preload. Refer to Table 1.
    2. Turn the collar toward the lower numbers to decrease the preload.
Figure 1. Shock Preload Cam Positions (typical)
Figure 2. Shock Absorber Preload Adjustment
Table 1. Recommended Shock Preload: Five Position
LOAD*
POSITION
Less than
75 kg (165 lb)
1
75–89 kg (165–195 lb)
2
89–102 kg (195–225 lb)
3
102–116 kg (225–255 lb)
4
116 kg (255 lb)
to maximum added weight allowed.
5
* Add the weight of the rider, passenger, riding gear, accessories, and cargo.
Table 2. Maximum Added Weight Allowed
MODEL
MAX LOAD
kg
lb
XG500
178
393
XG750
178
393