Honda CRF450R 2009 Service Manual page 117

Do
not overtighten
the vIse and
distort
th9
muffler mount
stay
Apply 5.0 9 (O.18 oz) of muffler sealant (high-
temperature silicone) to the front pipe as shown.
Inslall the front pipe to the muffler body assembly.
Align each rivel hole then install the bands and new
rivets.
Inslalithe muffler (page 3-11).
GLASS WOOL REPLACEMENT
(AFTER '12)
Remove the muffler (page 3-12).
Set the muffler in a vise
With
pieces of wood or soft jaws
to avoid damage .
Remove the nvets with a 4.0 mm and 10 mm drill bits
using the following procedures:
1. Drill the rivet head with a 4 .0 mm 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.
Be careful not to damage the muffler body.
MAINTENANCE
FRONT PIPE
f!!J'
RIVET
~
RIVETS
MUFFLER
\
4.0 mm
BIT
MUFFLER
BODY
ASSEMBLY
,
--
...
RIVETS
10mm
BIT
4-37