Buell 2004 XB9S, Service Manual

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2004 Buell Lightning: Fuel System 4-101
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OXYGEN SENSOR 4.33
GENERAL
See Figure 4-72. The oxygen sensor (O2 Sensor), located in
the rear header pipe, monitors oxygen content in the exhaust
gas and converts it to a voltage reading. This voltage reading
is used by the ECM to maintain the proper air/fuel ratio during
closed loop operation.
REMOVAL
1
WARNING
1
WARNING
To protect against accidental start-up of vehicle, discon-
nect the negative battery cable before proceeding. Inade-
quate safety precautions could result in death or serious
injury. (48)
1. Disconnect negative battery cable.
2. Remove intake cover assembly. See 2.35 INTAKE
COVER ASSEMBLY .
3. Remove airbox assembly. See 4.44 AIRBOX .
4. Remove shock absorber. See 2.22 REAR SHOCK
ABSORBER.
5. Remove cooling fan. See 4.38 COOLING FAN.
6. See Figure 4-73. Remove cable straps (2). Unplug 1-
place connector [137] (1).
7. Remove oxygen sensor from exhaust header using
Snap-on Part No. YA8875.
INSTALLATION
1. Apply LOCTITE ANTI-SEIZE LUBRICANT to threads of
sensor. Make sure anti-seize is marked as safe for use
with O2 sensors.
2. See Figure 4-72. Thread sensor into exhaust header.
Tighten sensor to 40-45 ft-lbs (54-61 Nm).
3. Install cooling fan. See 4.38 COOLING FAN.
4. Install shock absorber. See 2.22 REAR SHOCK
ABSORBER.
5. See Figure 4-73. Connect 1-place connector [137] (1) to
wiring harness.
6. Install cable straps (2).
7. Install airbox assembly. See 4.44 AIRBOX .
8. Install intake cover assembly. See 2.35 INTAKE COVER
ASSEMBLY .
9. Connect negative battery cable.
Figure 4-72. Installed Oxygen Sensor (shock absorber
removed)
Figure 4-73. Oxygen Sensor Connector [137]
(984 Models)
Figure 4-74. Oxygen Sensor Connector [137]
(1200 Models)
8467
8425a
1. Oxygen sensor connector [137]
2. Cable straps
2
1
1. Oxygen sensor connector [137]
2. Cable straps
1
2
10557