Yamaha YZ450FT Owner's Service Manual page 112

2
5
6
3
a
2.5 ~ 3.5 mm (0.10 ~ 0.14 in)
EXHAUST PIPE AND SILENCER
1
3
1
4
1
2
New
4 - 4
INSPECTION
Exhaust pipe and silencer
1. Inspect:
• Gasket 1
Damage → Replace.
ASSEMBLY AND INSTALLATION
Exhaust pipe and silencer
1. Install:
• Gasket
New
• Exhaust pipe 1
• Nut (exhaust pipe) 2
13 Nm (1.3 m · kg, 9.4 ft · lb)
• Bolt (exhaust pipe) 3
24 Nm (2.4 m · kg, 17 ft · lb)
NOTE:
First, temporarily tighten the nut (exhaust pipe),
then tighten the bolt (exhaust pipe) 20 Nm
(2.0 m • kg, 14 ft • lb). After that, retighten the
nut (exhaust pipe) 13 Nm (1.3 m • kg, 9.4 ft • lb)
and then the bolt (exhaust pipe) 24 Nm
(2.4 m • kg, 17 ft • lb).
2. Install:
• Clamp 1
16 Nm (1.6 m · kg, 11 ft · lb)
• Gasket 2
New
• Washer 3
• Silencer 4
• Plain washer 5
• Bolt (silencer) 6
35 Nm (3.5 m · kg, 25 ft · lb)
NOTE:
• Install the gasket with its meshed area a
toward the exhaust pipe side.
• The gasket should be installed according to
the dimension shown.
ENG