Honda VTX1300C VTX 2004 Owner's Manual page 119

Suspension
Rear Suspension Adjustment
The rear suspension can be adjusted for
rider (and passenger) weight and riding
conditions by changing the spring pre-load.
Do not attempt to disassemble, service, or
dispose of the damper; see your Honda
dealer. The instructions found in this
owner's manual are limited to adjustments
of the shock assembly only.
110
Servicing Your Honda
Rear Suspension Spring Pre-load
Refer to Saf ety Precautions
LEFT SIDE
(2)
(1)
(1) pin spanner
(2) shock absorber
on page 56 .