Installing The Exhaust Pipe And Muffler - Yamaha WR450FN 2022 Owner's Service Manual

Engine mounting bolt (upper
side)
45 N·m (4.5 kgf·m, 33 lb·ft)
TIP
Apply molybdenum disulfide grease to the pivot
shaft.
M
2
9
6
5
4
EAM30167
INSTALLING THE EXHAUST PIPE AND
MUFFLER
1. Install:
• Gasket
New
• Exhaust pipe 1 "1"
• Nut (exhaust pipe 1) "2"
Nut (exhaust pipe 1)
10 N·m (1.0 kgf·m, 7.4 lb·ft)
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).
1 1
8
10
3
9
8
10
7
1
4
5 6
2 2 2
5-11
ENGINE REMOVAL
2. Install:
• Clamp
• Exhaust pipe 2 "1"
• Bolt (exhaust pipe 2) "2"
2 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).
A
4 3
a
b
A. Exhaust pipe 1 and exhaust pipe 2
B. Exhaust pipe 2 and silencer
3. Install:
• Clamp
• Silencer "1"
• Bolt (silencer) "2"
Bolt (silencer)
30 N·m (3.0 kgf·m, 22 lb·ft)
1
4. Tighten:
• Bolt (exhaust pipe 2)
1 1
B
5 3
a
b
2 2 2