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Buell Forum » Knowledge Vault (tech, parts, apparel, & accessories topics) » Drivetrain » Primary Drive: Sprockets, Chain, Tensioner, Adjustment » XB12-XB9 Primary Gearing swap « Previous Next »

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Artur
Posted on Tuesday, September 15, 2009 - 03:01 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Here what it looks like after removing the primary cover (to do that I followed the service manual).



To be able to move on I fabricated my own Sprocket Locking Tool:




Then I unscrewed the Engine Sprocket nut:



Then I removed the Retaining Ring and Adjusting Screw Assembly:



and unscrewed the Clutch Shell with Clutch Sprocket:



Then I removed the Engine Sprocket, Clutch Shell with Sprocket and the Primary Chain.

It turned out that the Engine Sprocket is attached to the Alternator Rotor Assembly:



I unscrewed the Engine Sprocket from the Rotor Assembly:




but they stick to each other really hard and I cannot split them.

Here is what the manual says about how to remove the sprocket from the rotor:



As I don't have the press, I took the rotor to the garage to get the engine sprockets swapped. Once it's done I'll continue with my work and my writeup.
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Luckyrainman
Posted on Thursday, September 17, 2009 - 08:06 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Does anybody know the NEW part numbers of the improved 2008/2009 Primary Sprocket with screw and washer? Buell changed these parts and i am searching for the information ...

Thanks a lot!
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Blake
Posted on Thursday, September 17, 2009 - 05:45 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Part numbers for 2009 Buell XBike primary sprocket (Alternator Rotor & Sprocket Assembly) are:

XB9 Alternator Rotor & 34 Tooth Sprocket Assembly: 30018-08 (entire assembly including alternator rotor 8 screws and 34 tooth sprocket)

XB12 Alternator Rotor & 38 Tooth Sprocket Assembly: 30029-08 (entire assembly including alternator rotor 8 screws and 38 tooth sprocket)

There is no part number in my parts book for just the sprocket.
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Artur
Posted on Sunday, September 20, 2009 - 06:49 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Here is the rest of the story:
http://www.buellxb.com/Buell-XB-Forum/Do-It-Yourse lf-Buell-Mods/DIY-primary-gearing-swap-step-by-ste p-with-pics
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Dthquazi
Posted on Thursday, November 19, 2009 - 04:11 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I am wondering if you are able to get the clutch hub off without the clutch packet put together. I had a wreck and need to get it off but dont have any of the 8 guide pieces left. Any ideas?
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V74
Posted on Thursday, November 19, 2009 - 05:46 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

is it possible to put the 34 tooth sprocket on a tube frame buell?
i have a uk geared M2 and want to lower the gearing a bit,this would do it with out needing too recalibrate the speedo,
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Goody
Posted on Thursday, December 10, 2009 - 09:49 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I have this mod on my XB12STT....Awesome!!
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