10 TUNING THE CHASSIS 24
10.7 Checking the riding sag of the shock absorber
400990-10
– Measure distance A of rear wheel unloaded. ( p. 23)
– With another person holding the motorcycle, the rider sits down on the saddle in
full protective clothing in a normal sitting position (feet on footrests) and bounces
up and down a few times.
The rear wheel suspension levels out.
– Another person now measures the distance between the rear axle and a fixed point.
– Make a note of the value as measurement C.
Info
The riding sag is the difference between measurements A and C.
– Check the riding sag.
Riding sag 90 mm (3.54 in)
» If the riding sag differs from the specified measurement:
–
Adjust the riding sag. x ( p. 25)
10.8 Adjusting the spring preload of the shock absorber x
Caution
Danger of accidents Disassembly of pressurized parts can lead to injury.
– The shock absorber is filled with high density nitrogen. Adhere to the description provided. (Your authorized KTM workshop
will be glad to help.)
Preparatory work
– Raise the motorcycle with a lift stand. ( p. 27)
–
Remove shock absorber. x ( p. 35)
– After removing the shock absorber, clean it thoroughly.
700449-01
Main work
– Measure the full spring length while it is under tension and note down the value.
– Loosen retaining ring 1.
– Turn adjusting ring 2 until the spring is no longer under tension.
Combination wrench (50329080000)
Hook wrench (T106S)
– Measure the overall spring length when not under tension.
– Tighten the spring by turning adjusting ring 2 to the specified measurement.
Guideline
Spring preload
Standard 7 mm (0.28 in)
Info
The spring preload is the difference between the relaxed spring length and
the tensioned spring length.
Depending on the static sag and/or the riding sag, it may be necessary to
increase or decrease the spring preload.
– Tighten retaining ring 1.
Finishing work
–
Install the shock absorber. x ( p. 35)
– Remove the motorcycle from the lift stand. ( p. 27)
To Next Page
Loading...
