KTM 450 SMR 2021, Owner'S Manual

Page: 61 / 139

SERVICE WORK ON THE CHASSIS 11
59
11.28 Installing the main silencer
E01967-11
–
Position the main silencer.
–
Mount screws
1
with the washers, but do not tighten yet.
E01966-11
–
Attach spring
2
.
Spring hook (50305017000C1)
–
Tighten screws
1
.
Guideline
Remaining screws,
chassis M6 10 Nm (7.4 lbf ft)
11.29 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.
Preparatory work
–
Remove main silencer. ( p. 58)