Honda CRF450R 2009 Service Manual page 115

Do
no/ overtighten
the VIse and distOft
lhe muffler mount
stay
GLASS WOOL REPLACEMENT
('11 , '12)
Remove the muffler (page 3-1 1).
Set the muffler in a vise with pieces of wood or soft Jaws
to avoid damage.
Remove the rivets with a 4.0 mm and 10 mm drill bits
using the following procedures:
1. Drili l he rive t head with a 4.0 rnm bit to the specified
depth as shown.
2. Drill the rivet head with a 10 rnm bit so that the rivet
can be removed into the muffler body, then remove
the rivet.
NOTE.
MAINTENANCE
I
MUFFLER
Be careful not to damage the band, muffler body and
muffler assembly.
1--------'
Remove the following:
- Bands
- Front pipe
- Muffler body
- End cover
- Tail glass wool
- Center glass wool
- Stainless wool
- Inner pipe
Clean off the sealant from the muffler body, front pipe,
end cover and inner
pipe.
4.0mm
BIT
STAINLESS
WOOL
~
CENTER
GLASS WOOL
FRONT PIPE
INNER PIPE
10 mm
MUFFLER
BODY
END COVER
4-35