KTM 65 SX 1999, Руководство пользователя

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10 TUNING THE CHASSIS
25
10.9 Adjusting the spring preload of the shock absorber
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. 28)
–
Remove shock absorber. ( p. 36)
–
After removing the shock absorber, clean it thoroughly.
G00907-10
Main work
–
Measure the full spring length while it is under tension and note down the value.
–
Loosen retaining ring

.
–
Turn adjusting ring

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

to the specified measurement.
Guideline
Spring preload
Standard 5 mm (0.2 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  .
Finishing work
–
Install the shock absorber. ( p. 36)
–
Remove the motorcycle from the lift stand. ( p. 28)
10.10 Adjusting the riding sag
Preparatory work
–
Raise the motorcycle with a lift stand. ( p. 28)
–
Remove shock absorber. ( p. 36)
–
After removing the shock absorber, clean it thoroughly.
B00292-10
Main work
–
Choose and mount a suitable spring.
Guideline
Spring rate
Weight of rider: < 35 kg (< 77 lb.) 35 N/mm (200 lb/in)
Weight of rider: 35… 45 kg (77…
99 lb.) 40 N/mm (228 lb/in)
Weight of rider: > 45 kg (> 99 lb.) 45 N/mm (257 lb/in)
Info
The spring rate is shown on the outside of the spring.
Smaller weight differences can be compensated by changing the spring
preload.
Finishing work
–
Install the shock absorber. ( p. 36)
–
Remove the motorcycle from the lift stand. ( p. 28)
–
Check the static sag of the shock absorber. ( p. 24)
–
Check the riding sag of the shock absorber. ( p. 24)