Honda CRF450X 2020 Owner's Manual & Competition Handbook page 136

Exhaust Pipe/Muffler
6. Tighten the muffler clamp bolt (10) to the
specified torque:
15 lbf·ft (20 N·m, 2.0 kgf·m)
(10)
(10) muffler clamp bolt
7. Tighten the muffler mounting B bolt (8) and A
bolt (9) to the specified torque:
19 lbf·ft (26 N·m, 2.7 kgf·m)
(8)
(8) muffler mounting B bolt
(9) muffler mounting A bolt
8. Install the right side cover (page 44).
9. Install the seat (page 43).
128
Servicing Your Honda
Exhaust Pipe Removal
1. Remove the muffler (page 127).
2. Remove the exhaust pipe joint nuts (1),
exhaust pipe (2) and gasket (3).
(1)
(1) exhaust pipe joint nuts
(2) exhaust pipe
(3) gasket
(9)
(2)
(3)
Exhaust Pipe Installation
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.
(1)
(1) exhaust pipe gasket (new)
(2) exhaust pipe
(3) exhaust pipe joint nuts
3. Install the muffler (page 127) but do not
tighten the bolts yet.
4. Tighten the exhaust pipe joint nuts to the
specified torque:
16 lbf·ft (22 N·m, 2.2 kgf·m)
5. Tighten the muffler clamp bolt, muffler
mounting A bolt and B bolt (page 127).
(3)
(2)