Checking The Exhaust System - Yamaha VMAX 2009 Service Manual

ECA13450
NOTICE
Make sure the crankcase breather hose is
routed correctly.
4. Return the battery box heat shield to its origi-
nal position.
5. Install:
• Battery box
• Top cover
Refer to "GENERAL CHASSIS" on page 4-1.
EAS21080

CHECKING THE EXHAUST SYSTEM

1. Check:
• Right front exhaust pipe "1"
• Left front exhaust pipe "2"
• Exhaust chamber "3"
• Right muffler "4"
• Left muffler "5"
Cracks/damage → Replace.
• Gasket "6", "7", "8", "9"
Exhaust gas leaks → Replace.
2. Remove:
• Passenger seat
• Rear fender
Refer to "GENERAL CHASSIS" on page 4-1.
• Fuel tank
Refer to "FUEL TANK" on page 7-1.
3. Check:
• Rear exhaust pipe "10"
Cracks/damage → Replace.
• Gasket "11"
Exhaust gas leaks → Replace.
TIP
The rear exhaust pipe cannot be removed with-
out removing the engine.
4. Check:
Tightening torque
• Front exhaust pipe nuts "12"
• Left front exhaust pipe and right front exhaust
pipe bolt "13"
• Front exhaust pipe and exhaust chamber
bolts "14"
• Exhaust chamber and muffler bolts "15"
2
• Rear exhaust pipe and exhaust chamber
bolts "16"
• Muffler bolts "17"
1
• Exhaust chamber bolts "18"
• Exhaust chamber bracket (front side) bolt
"19"
• Exhaust chamber bracket (left and right
sides) bolts "20"
• Rear exhaust pipe nuts "21"
3-17
Front exhaust pipe nut
20 Nm (2.0 m·kgf, 14 ft·lbf)
Left front exhaust pipe and right
front exhaust pipe bolt
10 Nm (1.0 m·kgf, 7.2 ft·lbf)
Front exhaust pipe and exhaust
chamber bolt
20 Nm (2.0 m·kgf, 14 ft·lbf)
Exhaust chamber and muffler
bolt
20 Nm (2.0 m·kgf, 14 ft·lbf)
Rear exhaust pipe and exhaust
chamber bolt
10 Nm (1.0 m·kgf, 7.2 ft·lbf)
Muffler bolt
20 Nm (2.0 m·kgf, 14 ft·lbf)
Exhaust chamber bolt
20 Nm (2.0 m·kgf, 14 ft·lbf)
Exhaust chamber bracket (front
side) bolt
20 Nm (2.0 m·kgf, 14 ft·lbf)
Exhaust chamber bracket (left
and right sides) bolt
7 Nm (0.7 m·kgf, 5.1 ft·lbf)
Rear exhaust pipe nut
20 Nm (2.0 m·kgf, 14 ft·lbf)
ENGINE