Question about 2005 Buell Firebolt XB12R

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Need diagram of how to change alternator and regulater

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  • ian0718 Jul 19, 2009

    Could not find any imformation on the web site you suggested.

  • ian0718 Jul 20, 2009

    I haven't attempted the job yet, but looks good.
    Many thanks.



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To prevent accidental vehicle start-up, which could
cause death or serious injury, disconnect negative (-)
battery cable before proceeding. (00048a)
1. Disconnect negative battery cable.
2. Remove primary cover. See 6.2 PRIMARY COVER.
3. Remove clutch assembly, primary chain and engine
sprocket/rotor assembly as a unit. See 6.4 CLUTCH.
4. Remove/disassemble rotor and/or stator, as required.
Refer to the following procedures.
1. See Figure 7-32. Remove the eight fasteners which
secure alternator rotor to engine sprocket.
2. See Figure 7-33. Position blocking under rotor. Press
sprocket free of rotor.
Resistance to sprocket/rotor disassembly is due in part to the
magnetic force of the permanent rotor magnets.
1. See Figure 7-34. Disconnect stator wiring (4) from voltage
regulator wiring at connector (5) [46] under sprocket
2. Remove cable straps holding stator wire to wire harness.
Stator TORX screws contain a thread locking compound.
Do not reuse existing screws. Always use new screws
with the proper thread locking compound. Loss of torque
on TORX fasteners could result in alternator damage.
3. Remove and discard the four TORX screws (1) which
secure stator (2) to left crankcase half.
4. Remove stator wiring grommet (3) from left crankcase
5. Withdraw stator wiring (4) from grommet hole in left
crankcase half. Remove stator.

Need diagram of how to change alternator and - 3ca838f.jpg

The voltage regulator is mounted to the front of the crankcase.
The voltage regulator is not repairable. Replace the unit
if it fails.
1. Remove seat. See 2.38 SEAT.
To prevent accidental vehicle start-up, which could
cause death or serious injury, disconnect negative (-)
battery cable before proceeding. (00048a).
2. Disconnect negative battery cable from battery.
When disconnecting the alternator stator wiring, pull
apart the connector by firmly grasping both connector
halves. Do not pull on leads or damage to the wires and/
or terminals may result.
3. See Figure 7-37. Disconnect stator connector [46] (1)
and voltage regulator connector [77] (2) located under
sprocket cover. See 7.24 INTERACTIVE EXHAUST
4. Remove fasteners (5) and voltage regulator (4) from
bracket (3).
1. See Figure 7-37. Attach
voltage regulator (4) to
bracket (3). Tighten
fasteners (5) to 48-60
(5.4-6.8 Nm).
2. Connect stator connector [46] (1) and voltage regulator
connector [77] (2) located under sprocket cover. See
3. Connect negative battery cable to battery terminal.
If you need to service manual, please give me you email address so I could send it you.


Posted on Jul 19, 2009

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I am not sure which level of detail you need but I was able to find you a service manual:

It has specifications and diagrams for both the alternator and regulator.

Hope this helps!

Posted on Jul 18, 2009


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