Honda CRF450R 2017 Owner's Manual & Competition Handbook page 119

Exhaust Pipe/Muffler
11. Install the washer (14), right muffler mounting
B bolt (15) and A bolt (16).
(14)
(15) (16)
(14) washer
(15) right muffler mounting B bolt
(16) right muffler mounting A bolt
12. Tighten the right muffler clamp bolt (17) and
washer (18) to the specified torque:
15 lbf·ft (20 N·m, 2.0 kgf·m)
(17)
(18)
(17) right muffler clamp bolt
(18) washer
114
Servicing Your Honda
13. Tighten the right muffler mounting B bolt (15)
and A bolt (16) to the specified torque:
19 lbf·ft (26 N·m, 2.7 kgf·m)
(15)
(16)
(15) right muffler mounting B bolt
(16) right muffler mounting A bolt
14. Tighten the left muffler mounting B bolt (8)
and left muffler mounting A bolt (9) to the
specified torque:
19 lbf·ft (26 N·m, 2.7 kgf·m)
(9)
(8) left muffler mounting B bolt
(9) left muffler mounting A bolt
15. Install the air cleaner housing covers (19) and
side covers (20), and then tighten the bolts (21)
to the specified torque:
7 lbf·ft (10 N·m, 1.0 kgf·m)
The procedure is the same for the both right and
left side
(19) air cleaner housing covers (21) bolts
(20) side covers
16. Install the seat (page 33).
(8)
(20)
(19)
(21)