KTM 450 XC-W SIX DAYS USA 2010, Owner'S Manual, Page: 76 / 118

MAINTENANCE WORK ON CHASSIS AND ENGINE
74
9.88
Glass fiber yarn filling of main silencer
The main silencer is filled with glass fiber yarn.
Over a period, the fibers of the insulating material vanish into the air, and the silencer "burns out".
Not only is the noise level higher, the performance characteristic changes.
9.89
Removing main silencer
Warning
Danger of burns The exhaust system gets very hot when the vehicle is driven.
–
Allow the exhaust system to cool down. Do not touch hot components.
800020-10
–
Disconnect spring

.
–
Remove screws

and take off main silencer.
9.90
Installing the main silencer
800020-11
–
Mount the main silencer. Mount and tighten screws

.
Guideline
Remaining screws, chassis M6 10 Nm (7.4 lbf ft)
–
Reconnect spring

.
9.91
Removing the air filter box lid
800021-10
–
Pull off the air filter box lid in area

to the side and remove to the front.
9.92
Installing the air filter box lid
800021-11
–
Insert the air filter box lid into the rear area

and clip it into the front area

.