Yamaha YZ450FX 2023, Owner'S Manual

Page: 118 / 164

EXHAUST SYSTEM
5-1
EAM20199
EXHAUST SYSTEM
EAM30167
INSTALLING THE EXHAUST PIPE AND
MUFFLER
1. Install:
• Gasket
•
Exhaust pipe 1 “1”
• Nut (exhaust pipe 1) “2”
TIP
First temporarily tighten all nuts to 7 N·m (0.7
kgf·m, 5.2 lb·ft). Then retighten them to 10 N·m
(1.0 kgf·m, 7.4 lb·ft).
2. Install:
•
Clamp
• Exhaust pipe 2 “1”
•
Bolt (exhaust pipe 2) “2”
TIP
Make sure that the exhaust pipe band “3” does
not ride on the projection “a” on the exhaust pipe
“4” or silencer “5”. Be sure to insert the projection
“b” into the slot in the exhaust pipe (or silencer).
3. Install:
•
Clamp
• Silencer “1”
•
Bolt (silencer) “2”
4. Tighten:
•
Bolt (exhaust pipe 2)
• Clamp
TIP
Tighten while checking that their front and rear
joints are inserted in position.
Nut (exhaust pipe 1)
10 N·m (1.0 kgf·m, 7.4 lb·ft)
New
T
R
.
.
2 2 2
1 1
2 2 2
1 1 1
A. Exhaust pipe 1 and exhaust pipe 2
B. Exhaust pipe 2 and silencer
Bolt (silencer)
30 N·m (3.0 kgf·m, 22 lb·ft)
Bolt (exhaust pipe 2)
20 N·m (2.0 kgf·m, 15 lb·ft)
Clamp
12 N·m (1.2 kgf·m, 8.9 lb·ft)
4 3
a
b
a
b
A
5 3
B
T
R
.
.
2 2 2
1 1
T
R
.
.
T
R
.
.