Changing The Glass Fiber Yarn Filling Of The Main Silencer - KTM 450 EXC-F 2023 Owner's Manual

12 SERVICE WORK ON THE CHASSIS
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Changing the glass fiber yarn filling of the main silencer

Warning
Danger of burns The exhaust system gets very hot when the vehicle is driven.
–
Allow the exhaust system to cool down before performing any work on the vehicle.
Info
Over time, the fibers of the glass fiber yarn filling escape and the damper "burns" out.
Not only is the noise level higher, but the performance characteristics change.
V01734-10
V01735-10
Preparatory work
–
Remove main silencer. (
Main work
(All EU models)
–
1
Remove screws .
–
Take off silencer cap
–
Remove the old glass fiber yarn filling.
–
Clean the parts that need to be reinstalled and check for
damage.
–
Mount the new glass fiber yarn filling
silencer.
–
Mount the O-ring on the silencer cap.
–
Position the silencer cap.
–
Mount and tighten all of the screws.
Guideline
Screws on main
silencer
(XCF‑W)
–
1
Remove screws .
–
Take off silencer cap
–
Remove the old glass fiber yarn filling.
–
Clean the parts that need to be reinstalled and check for
damage.
–
Mount the new glass fiber yarn filling
silencer.
–
Mount the O-ring on the silencer cap.
–
Position the silencer cap.
–
Mount and tighten all of the screws.
Guideline
Screws on main
silencer
p. 81)
2 3
with O-ring .
4
in the main
M5 7 Nm (5.2 lbf ft)
2 3
with O-ring .
4
in the main
M5 7 Nm (5.2 lbf ft)