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Buell Forum » Big, Bad & Dirty (Buell XB12X Ulysses Adventure Board) » BB&D Archives » Archive through April 07, 2010 » Tire presure « Previous Next »

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Pontlee77
Posted on Friday, April 02, 2010 - 03:21 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I was wondering what tyre preasures we're running on I'm a solo rider (unfortunately) with a weight of 150/160 lbs and they tyre preasures is 2,5 front and 2,6 rear ( dunlop sportmax qualifier II) a bike shop said I should be on 3,0, but I think is to much any one could correct me if I'm wrong?

Thanks
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Dr_greg
Posted on Friday, April 02, 2010 - 04:06 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Don't know about that specific tire, but what I run in every tire I've used on the Uly is:

Front: 2,5 (36 psi)
Rear: 2,6 (38 psi)

Just like you thought! IMHO 3,0 is way too high.

And of course in the gravel perhaps 1,7 or so...

--Doc
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Badrap
Posted on Friday, April 02, 2010 - 04:10 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

My manual says 36 psi all the way around no matter what the load.
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Gamdh
Posted on Friday, April 02, 2010 - 04:17 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

'06 XB12X... same as Dr Greg.
I've run 36F/38R with the orginal Dunlops, Sync's and Dunlop RoadSmarts.
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Froggy
Posted on Friday, April 02, 2010 - 04:19 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I run 3.2 without issue on all my Buells.
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Pontlee77
Posted on Friday, April 02, 2010 - 04:46 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

After the replies and thanking you all, i'll try putting some more air, and see how the bike feels, i'll re post in a few days after a few tests.

Thank you.
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Sweetfish89
Posted on Friday, April 02, 2010 - 04:57 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

It says 34psi in front and 36psi in rear on my frame so that is what I run.
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Ourdee
Posted on Saturday, April 03, 2010 - 10:17 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I'm 34 36 on an XT with Stradas.
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Ratbuell
Posted on Saturday, April 03, 2010 - 11:39 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I'm 36/38 on 616s, all three bags, '06 UlyX. Seems to keep the treadwear as even as possible...but around 10 or 11k the front tire gets a little goofy so I change it ; )
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Azdaniel
Posted on Saturday, April 03, 2010 - 02:48 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

One way to tell that the tire pressure is right for you and the way you ride is to look for a 10% gain from cold to hot. So if you started with 38# cold you'd want to have 41.8 (okay 42) after the tires warm up. This allows for load, driving style and outside temp.
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