KTM 450 EXC-R USA Motorcycle User Manual


 
MAINTENANCE WORK ON CHASSIS AND ENGINE 36
Adjusting riding sagbx
Remove shock absorber. ( P. 36)
After removing the shock absorber, clean it thoroughly.
Choose and fit a suitable spring.
Specification
Spring rate
Weight of rider: 65… 75bkg (143… 165blb.) 69bN/mm (394blb/in)
Weight of rider: 75… 85bkg (165… 187blb.) 72bN/mm (411blb/in)
Weight of rider: 85… 95bkg (187… 209blb.) 76bN/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.
Installing shock absorber. ( P. 36)
Check the static sag of the shock absorber. ( P. 34)
Check the riding sag of the shock absorber. ( P. 35)
Adjust the rebound damping of the shock absorber. ( P. 33)
Removing the shock absorberbx
Jack up the motorcycle. ( P. 32)
500075-10
Remove screwband lower the rear wheel with the swing arm as far as possible
without blocking the rear wheel. Fix the rear wheel in this position.
Remove screwb
, push splash protectorb to the side, and remove the shock ab-
sorber.
Installing shock absorberbx
500075-11
Check parts for damage and wear. Replace damaged or worn parts.
Push splash protectorb
to the side and position the shock absorber. Mount and
tighten screwb
.
Specification
Screw, top shock absorber M12 80bNm
(59blbfbft)
Loctite
®
243™
Mount and tighten screwb
.
Specification
Screw, bottom shock ab-
sorber
M12 80bNm
(59blbfbft)
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.
Remove the motorcycle from the work stand. ( P. 32)