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Barrick09
Posted on Wednesday, July 31, 2019 - 03:54 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

After calling several places and looking at dozens of diagrams, I am at a loss for what this needle bearing part number/name is.

This is located on the front pulley. I noticed a while back it started to slide out. So I knocked it back in and that worked but 2 of the needles are missing and it needs to be replaced.

It's pressed in.

Does anyone know what this is called or have the part number? Googling this made thing even more confusing. Even St. Paul Harley wasn't sure.


buell pulley bearing
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Akbuell
Posted on Wednesday, July 31, 2019 - 05:52 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

If I am reading my '01 X-1 parts manual correctly:

p/n 35051-89 bearing, needle. There are 2.

Both are part of p/n 35034-94 gear asm, 5th-mainshaft.

Hope this helps, and is correct. Dave
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Edv
Posted on Wednesday, July 31, 2019 - 08:58 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

There is also a seal plug that fits over this bearing.
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Barrick09
Posted on Wednesday, July 31, 2019 - 10:35 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Turns out I didn't have the 1 7/8 socket needed to remove the nut. So in the meantime, I decided to use a socket and hammer the bearing back in. It was flush with the nut now its 1 1/8th back on the shaft.

I should note when I noticed this bearing coming out last year It was 1/2" out. I hammered it flush and have been riding it that way since.

Why would this bearing have moved out in the first place? What going on here that could cause this?

Akbuell: I believe you are right. St. Paul sent me a part number as well and I'll check and see if you match.

Edv: I saw that on some photos but what keeps the plug cover on/in there? that center hole is not threaded on mine.

Thanks for the help.
bearing pressed in
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Screamer
Posted on Thursday, August 01, 2019 - 12:30 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

There are several reasons why that bearing may walk out, but the few reasons that I’ve seen multiple times are excessive torque on the trans pulley nut which distorts the “tube” portion of the bottle gear, extremely tight belt. Also, an incorrectly adjusted rear shock (not enough pre-load) combined with excessive weight can momentarily place extremely high loads on the bearing. Usually that will fail the bearing but sometimes it forces it to creep outward.
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89rs1200
Posted on Thursday, August 01, 2019 - 10:17 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

The "plug cover" is rubber covered, with a steel ring inside, which covers the hole completely. It is a press on fit.
Harley Davidson still has them for the Sportster. Find at JP Cycle or your Harley Davidson parts department.
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Barrick09
Posted on Thursday, August 01, 2019 - 10:54 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

AkBuell: Confirmed this is the same P/n from St. Paul. Checking to see if they also have the cover that is pressed on.

Screamer: The belt is correctly tensioned (scary loose) and shock was set by Racetech when it was rebuilt but should be incorrect now. We ride 2 up sometimes and the shock is probably not adjusted for that.

Getting the new parts on order and will replace soon. I'll monitor it more often now knowing what I know and see if it happens again.

Thanks for the help.
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K12pilot
Posted on Thursday, August 01, 2019 - 02:18 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Pack it with molly grease and put on a new seal
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Oldog
Posted on Tuesday, August 20, 2019 - 02:09 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Pack it with molly grease and put on a new seal}I would not do that
needle bearings need little oil, this bearing is lubricated by transmission fluid.

consider fresh tranny fluid tip the bike to that side and allow it to stay there for a few minutes, I oil mine once in a great wile by leaning the bike to that side for a short period of time.

oh and replace the rubber plug as stated above happy riding.
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Oldog
Posted on Tuesday, August 20, 2019 - 02:10 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

check the bearings in the case( under the oil seal ) if you have the "sprocket" off
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