Exhaust Muffler; Replacing The Muffler Deadening Material - Husqvarna SMR 450-R 2009 Manual De Uso Y Mantenimiento

EXHAUST MUFFLER

The muffler reduces the noise of the exhaust gases, but it is an
integral part of the exhaust as well. As such, its conditions af-
fect the motorcycle performance.
When the noise on the exhaust is too high, it means that the
deadening material set on the holed tube inside the muffler is
deteriorated.
WARNING*: Check the deadening material
after every competition and replace it if ne-
cessary.
1
54

REPLACING THE MUFFLER DEADENING MATERIAL

Remove the saddle after turning the locking back pin (1) anti-
clockwise, loosen the screws (2) with an 8-mm T-shaped span-
ner and remove the side panel (3) (do the same on the right
side). Using an 8 mm T-shaped spanner on the outside and a
10 mm T-shaped spanner on the inside, remove the locking
screw (4) of the muffler. Remove the spring (5) and pull out
the muffler (A) o (B). Remove the four rear rivets (6), clamp
and the exhaust terminal (7).
2
2
6
4
Remove innner pipe and replace the deadening material.
Reassemble L.H. side panel and saddle.
NOTE*: When diffuculties are found in remo-
ving the muffler, lightly beat with a rubber
or plastic hammer.
7
4
3
7
A
A
6
B
B
5