Yamaha XV19SX(C), Service Manual

Page: 131 / 494

ENGINE
3-18
1. Check:
• Front exhaust pipe “1”
• Rear exhaust pipe “2”
• Muffler “3”
• Muffler bracket “4”
Cracks/damage
→
Replace.
• Gaskets “5”
Exhaust gas leaks
→
Replace.
2. Check:
Tightening torque
• Front exhaust pipe nuts “6”
• Front exhaust pipe and rear exhaust pipe bolt
“7”
• Rear exhaust pipe nuts “8”
• Rear exhaust pipe and muffler bolt “9”
• Muffler and muffler bracket bolts “10”
• Muffler bracket and frame bolts “11”
EAS1D77002
CHECKING THE EXHAUST SYSTEM (for
XV19CS(C)/ XV19C(C))
The following procedure applies to all of the ex-
haust pipes and gaskets.
1. Check:
• Front exhaust pipe “1”
• Rear exhaust pipe “2”
• Muffler “3”
• Muffler bracket “4”
Cracks/damage
→
Replace.
• Gaskets “5”
Exhaust gas leaks
→
Replace.
2. Check:
Tightening torque
• Front exhaust pipe nuts “6”
• Front exhaust pipe and rear exhaust pipe bolt
“7”
• Rear exhaust pipe nuts “8”
• Rear exhaust pipe and muffler bolt “9”
• Muffler and muffler bracket bolts “10”
• Muffler bracket and frame bolts “11”
• Muffler and frame bolt “12”
T
R
.
.
Front exhaust pipe nut
20 Nm (2.0 m·kg, 14 ft·lb)
Front exhaust pipe and rear ex-
haust pipe bolt
20 Nm (2.0 m·kg, 14 ft·lb)
Rear exhaust pipe nut
24 Nm (2.4 m·kg, 17 ft·lb)
Rear exhaust pipe and muffler
bolt
20 Nm (2.0 m·kg, 14 ft·lb)
Muffler and muffler bracket bolt
29 Nm (2.9 m·kg, 21 ft·lb)
Muffler bracket and frame bolt
53 Nm (5.3 m·kg, 38 ft·lb)
LOCTITE®
10
11
3
4
8
9
5
2
7
5
5
1
6
5
LT
LT
T
R
.
.
Front exhaust pipe nut
20 Nm (2.0 m·kg, 14 ft·lb)
Front exhaust pipe and rear ex-
haust pipe bolt
20 Nm (2.0 m·kg, 14 ft·lb)
Rear exhaust pipe nut
24 Nm (2.4 m·kg, 17 ft·lb)
Rear exhaust pipe and muffler
bolt
20 Nm (2.0 m·kg, 14 ft·lb)
Muffler and muffler bracket bolt
29 Nm (2.9 m·kg, 21 ft·lb)
Muffler bracket and frame bolt
53 Nm (5.3 m·kg, 38 ft·lb)
LOCTITE®
Muffler and frame bolt
20 Nm (2.0 m·kg, 14 ft·lb)