KTM 350 EXC-F 2015, Owner'S Manual

Page: 46 / 122

11 TUNING THE CHASSIS
44
11.9 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.)
Info
Before changing the spring preload, make a note of the present setting, e.g., by measuring the length of the spring.
Preparatory work
–
Raise the motorcycle with the lift stand. ( p. 48)
–
Remove shock absorber.
x
( p. 55)
–
After removing the shock absorber, clean it thoroughly.
401026-10
Main work
–
Loosen screw  .
–
Turn adjusting ring

until the spring is no longer under tension.
Hook wrench (T106S)
–
Measure the overall spring length while the spring is not under tension.
–
Tighten the spring by turning adjusting ring  to measurement  .
Guideline
Spring preload 8 mm (0.31 in)
Info
Depending on the static sag and/or the riding sag, it may be necessary to
increase or decrease the spring preload.
–
Tighten screw

.
Guideline
Screw, shock absorber adjusting ring M5 5 Nm (3.7 lbf ft)
Finishing work
–
Install the shock absorber.
x
( p. 56)
–
Remove the motorcycle from the lift stand. ( p. 48)
11.10 Adjusting the riding sag
x
Preparatory work
–
Raise the motorcycle with the lift stand. ( p. 48)
–
Remove shock absorber.
x
( p. 55)
–
After removing the shock absorber, clean it thoroughly.
B00292-10
Main work
–
Choose and mount a suitable spring.
Guideline
Spring rate
Weight of rider: 65… 75 kg (143…
165 lb.) 66 N/mm (377 lb/in)
Weight of rider: 75… 85 kg (165…
187 lb.) 69 N/mm (394 lb/in)
Weight of rider: 85… 95 kg (187…
209 lb.) 72 N/mm (411 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.