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Buell Forum » Old School Buell » S2 Thunderbolt » Archive through December 18, 2016 » Thunderbolt Fork Servicing « Previous Next »

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4speeder
Posted on Saturday, January 09, 2016 - 09:16 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I've had my S2 a little over 3 years now and I've never serviced the fork tubes. The bike rides and handles great and there are no leaks from the seals, so I'm thinking everything is fine. However because I like to understand everything mechanical on anything I own, I'd like to strip them down for a good cleaning, replace the seals, and refill them wih fresh lubricant. Is there a preferred fork oil for a midwestern climate when riding in 40 to 90 degree weather?
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Ebutch
Posted on Saturday, January 09, 2016 - 01:45 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

www.badweatherbikers.com/buell/messages/47623/6586 19.html?1321978395 www.badweatherbikers.com/buell/messages/3842/24904 7.html A Great Blast From The Past !!!!!!
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Gowindward
Posted on Saturday, January 09, 2016 - 02:11 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I think parts for the S2 forks could be hard to find. Considering that I would personally only do a fluid change if nothing was currently leaking and even then I would make sure I had replacement parts in hand before doing that. If it ain't broke don't fix it sort of thing considering availability of replacement parts
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Ebutch
Posted on Saturday, January 09, 2016 - 05:10 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I've herd on one of these threads that spraying Lighter Fluid on leaking seals makes Them softer and swell and stop leaks in some cases.Maybe a good preventive maintenance.
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4speeder
Posted on Saturday, January 09, 2016 - 05:52 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

That is a great old thread with some fantastic photos, thanks for posting that link. I may take Gowindward's advice and leave well enough alone. The forks seem to work fine and they have no leaks anywhere.
Maybe I'll just change the oil and leave it be. Any thoughts on a good fork oil for the midwest temps?
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Sportyeric
Posted on Sunday, January 10, 2016 - 03:34 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

On the subject of seals, this was interesting. In the comments section, someone suggests that you can do the same with a piece of old-school film negative. This video is about fixing minor leaks by getting crud out of the seal's surface. https://www.youtube.com/watch?v=8wlzfoVroSY
Sorry, no advice for fork oil.
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Gkmaplemsncom
Posted on Wednesday, January 20, 2016 - 10:05 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

The S2 Roma forks are easy to rebuild.The harder part was removing from the triple clamps. Fork seals are available as well as the bushings.
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651lance
Posted on Thursday, January 21, 2016 - 10:16 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

The manual calls for the WP 7.5 weight oil. I used the WP oil a couple time then went to AMSoil medium oil and I like the it rides. The fork service should be done every 10K.
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Gmaple
Posted on Thursday, January 21, 2016 - 10:42 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I used 7.5wt Honda fork oil. I agree rebuild those forks every 10k.
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Johnod
Posted on Saturday, April 09, 2016 - 08:11 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Gkmaplemsncom

Where are seals available please?
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Gkmaplemsncom
Posted on Friday, April 15, 2016 - 07:53 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

race tech has them in stock, they are $45
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Johnod
Posted on Monday, April 18, 2016 - 09:47 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Thanks
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Yogis2
Posted on Saturday, July 23, 2016 - 06:00 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

new set on ebay , very rare 600.00 ouch, but new
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