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130 Servicing Your Honda
Exhaust Pipe/Muffler
(CRF450R/RX)
1. Remove the right and left mufflers (page 126).
2. Remove the exhaust pipe joint nuts (1),
exhaust pipe (2) and gasket (3).
(CRF450RWE)
1. Remove the right and left muffler (page 127).
2. Loosen the right muffler joint pipe clamp bolt (1).
3. Remove the right muffler mounting A bolt (2)
and right muffler joint pipe (3).
4. Remove the upper drive chain roller (4)
(page 123).
5. Loosen the left muffler joint pipe clamp bolt
(5).
6. Remove the left muffler mounting A bolt (6)
and left muffler joint pipe (7).
7. Remove the exhaust pipe (this page CRF450R/
RX step 2).
(CRF450R/RX)
1. Install a new exhaust pipe gasket (1).
2. Install the exhaust pipe (2) and exhaust pipe
joint nuts (3) but do not tighten the nuts yet.
3. Install the left and right mufflers (page 129)
but do not tighten the bolts yet.
4. Tighten the exhaust pipe joint nuts to the
specified torque:
15 lbf·ft (20 N·m, 2.0 kgf·m)
5. Tighten the left muffler clamp bolt, left muffler
mounting A bolt and B bolt (page 127).
6. Tighten the right muffler clamp bolt, right
muffler mounting A bolt and B bolt
(page 127).
Exhaust Pipe Removal
(1) exhaust pipe joint nuts
(2) exhaust pipe
(3) gasket
(1) right muffler joint pipe clamp bolt
(2) right muffler mounting A bolt
(3) right muffler joint pipe
(2)
(3)
(1)
(2)
(3)
(1)
(4) upper drive chain roller
(5) left muffler joint pipe clamp bolt
(6) left muffler mounting A bolt
(7) left muffler joint pipe
(4)
(6)
(7)
(5)
Exhaust Pipe Installation
(1) exhaust pipe gasket (new)
(2) exhaust pipe
(3) exhaust pipe joint nuts
(2)
(1)
(3)
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