Checking The Exhaust System - Yamaha SR400 2014 Service Manual

3
d. Press the "UP" button and select the CO ad-
justment mode "CO".
e. Select "CO", and then press the "MODE" but-
ton.
f. Check that "C1" appears on the LCD display
of the FI diagnostic tool.
g. Start the engine.
TIP
Make an adjustment after the battery is fully
charged.
h. Change the volume of CO adjustment by
pressing the "UP" and "DOWN" buttons.
TIP
The CO adjustment volume and idling speed ap-
pear on the LCD of the FI diagnostic tool.
• To decrease the CO adjustment volume, press
the "DOWN" button.
• To increase the CO adjustment volume, press
the "UP" button.
i. Release "DOWN" and "UP" buttons.
j. Turn the main switch to "OFF".
k. Disconnect the FI diagnostic tool and install
the self-diagnosis signal coupler cap.
▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲
EAS21081

CHECKING THE EXHAUST SYSTEM

The following procedure applies to the exhaust
pipe and gasket.
1. Remove:
• Seat
PERIODIC MAINTENANCE
Refer to "GENERAL CHASSIS" on page 4-1.
• Fuel tank
Refer to "FUEL TANK" on page 6-1.
2. Check:
2
• Exhaust pipe "1"
• Muffler "2"
Cracks/damage  Replace.
• Gasket "3"
1
Exhaust gas leaks  Replace the gasket.
2
3. Check:
• Tightening torque
3-8
3
1
Exhaust pipe nut "1"
18 Nm (1.8 m·kgf, 13 ft·lbf)
Exhaust pipe and frame bolt "2"
23 Nm (2.3 m·kgf, 17 ft·lbf)
Muffler joint bolt "3"
20 Nm (2.0 m·kgf, 14 ft·lbf)
Muffler bracket and frame bolt "4"
60 Nm (6.0 m·kgf, 43 ft·lbf)
Muffler and frame bracket bolt "5"
20 Nm (2.0 m·kgf, 14 ft·lbf)
3