Cam Position Sensor And Rotor; Marking Ignition Timing - Buell XB9R 2003 Service Manual

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CAM POSITION SENSOR AND ROTOR

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 sprocket cover. See
NOTES
Make note of cable strap positions and wire routing dur-
ing disassembly.
For more information about the wiring located under-
neath the sprocket cover see
WIRING.
3. Cut cable straps holding cam position sensor wiring.
4. See Figure 4-177. Disconnect cam position sensor wir-
ing at connector [14].
5. Note position of each cam position sensor wiring termi-
nal in plug end of connector.
6. See Figure 4-179. Remove connector terminal pins (7).
See B.2 DEUTSCH ELECTRICAL CONNECTORS
under B.1 AMP MULTILOCK ELECTRICAL CONNEC-
TORS.
7. Remove timer cover.
a. Drill off heads of outer timer cover pop rivets (1)
using a 3/8 in. drill bit.
b. Tap remaining rivet shafts inboard through holes in
timer cover (2) and inner cover (20).
c. Remove timer cover. Remove inner cover screws (3)
and inner cover (20).
d. Carefully remove any remaining pieces of rivets
from gearcase cover timer bore.
8. See Figure 4-178. To obtain approximate ignition timing
during installation, scribe alignment marks (4) across
cam position sensor (3) in two places.
9. See Figure 4-179. Remove timer plate studs (4). Care-
fully remove cam position sensor. Remove bolt (18) and
trigger rotor (17).
10. Carefully remove camshaft oil seal (16) if damaged or if
there is any evidence of oil leakage past the seal.
2.30 SPROCKET COVER.
7.24 SPROCKET COVER
8749
Figure 4-177. Cam Position Sensor Connector [14] (stator
connector disconnected)
3
2
1
1. Timer plate stud (2)
2. Sensor wiring
3. Cam position sensor
4. Scribe mark
Figure 4-178. Marking Ignition Timing
2003 Buell XB9R: Fuel System
4.30
4
b0313a7x
4-91