Installed Oxygen Sensor; Oxygen Sensor Connector - Buell XB9R 2003 Service Manual

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OXYGEN SENSOR
GENERAL
The oxygen sensor (O2 Sensor), located in the rear header
pipe, monitors oxygen content in the exhaust gas and con-
verts 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 1
WARNING 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.
1. Disconnect negative battery cable.
2. Remove intake cover assembly. See
COVER ASSEMBLY.
3. Remove airbox assembly. See
4. Remove shock absorber. See
ABSORBER.
5. Remove cooling fan. See
6. See Figure 4-186. 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 4-185. Thread sensor into exhaust header.
Tighten sensor to 40-45 ft-lbs (54-61 Nm).
3. Install cooling fan. See 4.37 COOLING FAN.
4. Install shock absorber. See
ABSORBER.
5. See Figure 4-186. Connect 1-place connector [137] (1)
to wiring harness.
6. Install cable straps (2).
7. Install airbox assembly. See
8. Install intake cover assembly. See
ASSEMBLY.
9. Connect negative battery cable.
2.34 INTAKE
4.43 AIRBOX.
2.22 REAR SHOCK
4.37 COOLING FAN
2.22 REAR SHOCK
4.43 AIRBOX.
2.34 INTAKE COVER
8467
Figure 4-185. Installed Oxygen Sensor (shock absorber
removed)
8425a
1
1.

Oxygen sensor connector [137]

2. Cable strap
Figure 4-186. Oxygen Sensor Connector [137]
2003 Buell XB9R: Fuel System
4.32
2
4-97