Yamaha 2003 YFZ450S, Service Manual

Page: 145 / 375

4 - 2
ENG
ENGINE REMOVAL
INSTALLING THE EXHAUST PIPE AND
MUFFLER
1. Install:
• gasket
1
(to muffler)
NOTE:
Install the gasket with the chamfer
a
, located
on an inner rim of the gasket, and the chamfer
b
, located on an outer rim of the gasket, as
shown.
Installed depth of gasket
c
1 ~ 1.5 mm (0.04 ~ 0.06 in)
a
c 1
b
New
2. Install:
• exhaust pipe protector
• exhaust pipe protector screws
NOTE:
Tighten the screws to the specified torque in
the proper tightening sequence as shown.
3. Install:
• 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).
T
R
.
.
Screw
7 Nm (0.7 m · kg, 5.1 ft · lb)
LOCTITE
®
LT
LT
3
1
2
2
3
1
T
R
.
.
13 Nm (1.3 m · kg, 9.4 ft · lb)
T
R
.
.
24 Nm (2.4 m · kg, 17 ft · lb)