Maintenance work on chassis and engine – KTM 450 EXC-R EU User Manual
Page 38
MAINTENANCE WORK ON CHASSIS AND ENGINE
36
Adjusting riding sag
b
x
ದ
Remove shock absorber. (
P. 36)
ದ
After removing the shock absorber, clean it thoroughly.
ದ
Choose and fit a suitable spring.
Specification
Spring rate
Weight of rider: 65… 75
bkg (143… 165blb.)
69
bN/mm (394blb/in)
Weight of rider: 75… 85
bkg (165… 187blb.)
72
bN/mm (411blb/in)
Weight of rider: 85… 95
bkg (187… 209blb.)
76
bN/mm (434blb/in)
Info
The spring rate is shown on the outside of the spring.
Smaller weight differences can be compensated by changing the spring preload.
ದ
Installing shock absorber. (
P. 36)
ದ
Check the static sag of the shock absorber. (
P. 34)
ದ
Check the riding sag of the shock absorber. (
P. 35)
ದ
Adjust the rebound damping of the shock absorber. (
P. 33)
Removing the shock absorber
b
x
ದ
Jack up the motorcycle. (
P. 32)
500075-10
ದ
Remove screw
b
and lower the rear wheel with the swing arm as far as possible
without blocking the rear wheel. Fix the rear wheel in this position.
ದ
Remove screw
b
, push splash protector
b
to the side, and remove the shock ab-
sorber.
Installing shock absorber
b
x
500075-11
ದ
Check parts for damage and wear. Replace damaged or worn parts.
ದ
Push splash protector
b
to the side and position the shock absorber. Mount and
tighten screw
b
.
Specification
Screw, top shock absorber
M12
80
bNm
(59
blbfbft)
Loctite
®
243™
ದ
Mount and tighten screw
b
.
Specification
Screw, bottom shock ab-
sorber
M12
80
bNm
(59
blbfbft)
Loctite
®
243™
Info
The heim joint for the shock absorber at the swing arm is Teflon coated. It
must not be greased with grease or with other lubricants. Lubricants dis-
solve the Teflon coating, thereby drastically reducing the service life.
ದ
Remove the motorcycle from the work stand. (
P. 32)