Yamaha YZ450F(S), Owner'S Service Manual

Page: 246 / 642

4 - 4
ENG
EXHAUST PIPE AND SILENCER
INSPECTION
Exhaust pipe and silencer
1. Inspect:
●
Gasket 1
Damage
→
Replace.
1
ASSEMBLY AND INSTALLATION
Exhaust pipe and silencer
1. Install:
●
Gasket
●
Exhaust pipe 1
●
Nut (exhaust pipe) 2
●
Bolt (exhaust pipe) 3
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).
3
1
2
New
T
R
.
.
13 Nm (1.3 m · kg, 9.4 ft · lb)
T
R
.
.
24 Nm (2.4 m · kg, 17 ft · lb)
2. Install:
●
Clamp 1
●
Gasket 2
●
Silencer 3
●
Plain washer 4
●
Bolt (silencer) 5
NOTE:
Install the gasket with its meshed area toward
the exhaust side.
3
4
5
1
2
a
New
T
R
.
.
16 Nm (1.6 m · kg, 11 ft · lb)
New
T
R .
.
35 Nm (3.5 m · kg, 25 ft · lb)