Checking The Static Sag Of The Shock Absorber; Checking The Riding Sag Of The Shock Absorber; Adjusting The Spring Preload Of The Shock Absorber - KTM 450 SX-F EU Repair Manual

04LSHOCK ABSORBER, SWINGARM
51
Chlckl!!lthl static !!II of thl shack absorblr
- Measure distance of rear wheel unloaded. (.- p. 50)
- Hold the motorcycle upright with the aid of an assistant.
- Measure the distance between the rear axle and the fixed point again.
- Note down the value as dimension
• Info
I
The static sag is the difference between measurements and
- Check the static sag.
1
Static sag (450 SX-F EU) 130 mm (1.18 in)
1
Static sag (450 SX-F USA) 134 mm (1.34 in)
»
If the static sag is less or more than the specified value,
- Adjust the spring preload of the shock absorber. (.- p. 51)
Checki!!lthe ridi!!llli of the shack absorber
- Measure distance of rear wheel unloaded. (.- p. 50)
I-
- With another person holding the motorcycle, the rider, wearing full protective cloth-
ing, sits on the seat in a normal sitting position (feet on footrests) and bounces up
and down a few times.
+-I-++----'-
, / The rear wheel suspension levels out.
- Another person now measures the distance between the rear axle and a fixed point.
- Note down the value as dimension
• Info
I
The riding sag is the difference between measurements and
- Check the riding sag.
1
Riding sag (450 SX-F EU)
1
90 mm (3.54 in)
1
Riding sag (450 SX-F USA) 1100 mm (3.94 in)
»
If the riding sag differs from the specified measurement,
- Adjust the riding sag. (.- p. 52)
AdJustI!!Ithl sprlnl preload of thl shack absorber
A
Caution
Dan.lr af accidents Disassembly of pressurized parts can lead to injury.
- The shock absorber is filled with high density nitrogen. Adhere to the description provided.
• Info
I
Before changing the spring preload, make a note of the present setting, e.g., by measuring the length of the spring.
Preliminary work
- Raise the motorcycle with the lift stand. (.- p. 9)
- Remove the main silencer. (.- p. 73)
- Remove the shock absorber. (.- p. 53)