Yamaha F400A 2022 - Removing the Exhaust Joint; Checking the Exhaust Joint; Checking the Exhaust Joint Anode; Installing the Exhaust Joint

7-12
Exhaust joint (inside)
Removing the exhaust joint
1. Remove:
• Exhaust joint assembly
See “Exhaust joint (outside)” (7-7).
Checking the exhaust joint
1. Check:
• Exhaust joint
Corroded/cracked → Replace.
Checking the exhaust joint anode
1. Check:
•Anode
Eroded (1/2 or more worn out) → Replace.
Adhered grease, oil, or scales → Clean.
Do not apply grease, oil, or paint to the an-
odes.
Installing the exhaust joint
1. Install:
• Stud bolt
2. Install:
•Dowel
•Gasket
• Exhaust joint (PORT) “1”
• Exhaust joint (STBD) “2”
TIP:
Tighten the exhaust joint bolts “3” and “4” and
exhaust joint nuts “5” in the order [1], [2], and
so on.
3. Install:
• Exhaust joint anode
•O-ring
• Exhaust joint anode plug
4. Install:
• Exhaust joint assembly
See “Installing the exhaust joint assem-
bly” (7-8).
T
R
.
.
Stud bolt
14 N·m (1.4 kgf·m, 10 lb·ft)
New
T
R
.
.
Exhaust joint bolt “3”, “4”
21 N·m (2.1 kgf·m, 15 lb·ft)
Exhaust joint nut “5”
14 N·m (1.4 kgf·m, 10 lb·ft)
T
R
.
.
Exhaust joint anode screw
2.0 N·m (0.20 kgf·m, 1.5 lb·ft)
Exhaust joint anode plug
18 N·m (1.8 kgf·m, 13 lb·ft)
EE
4
EE
3
5
5
4
3
1
2
4
3
EE
[11][11]
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[2][2]
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[2][2]
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[5][5]
[1][1]
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[2][2]
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[5][5]
[1][1]
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[2][2]
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[5][5]
[1][1]
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[5][5]
[1][1]
[4][4]
[8][8][9][9]
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