The muffler reduces the noise of the exhaust gases, but it is an
integral part of the exhaust as well. As such, its conditions affect
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
WARNING*: Check the deadening material
after every competition and replace it if
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 spanner
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 ter-
Remove innner pipe and replace the deadening material.
Reassemble L.H. side panel and saddle.
NOTE*: When diffuculties are found in re-
moving the muffler, lightly beat with a
rubber or plastic hammer.