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Buell Forum » 1125R Superbike Board » Archives 001 » Archive through November 17, 2009 » Set Your Sag Yet? « Previous Next »

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Tpoppa
Posted on Monday, November 09, 2009 - 03:28 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

For those who have set the sag on their 1125...Were the recommended suspension settings close?

My suspension feels pretty stiff, but that could be due to the cool temps since I brought it home.
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Chadhargis
Posted on Monday, November 09, 2009 - 03:35 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Setting your sag huh? : )



Oh, you mean suspension! Yeah, the book was close on the sag, but the compression was cranked WAY up there.
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Whynot
Posted on Monday, November 09, 2009 - 04:59 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Had my Ducati dealer do it.
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Tpoppa
Posted on Monday, November 09, 2009 - 05:55 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

A HD dealer set sag, are you sure?
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Sknight
Posted on Monday, November 09, 2009 - 08:25 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I set it per the manual and the preload came in at 40MM front and 45MM rear. I need to get some higher rate springs (Or lose weight, I'm trying the weight thing first!) as the rear is maxed out. The damping per the manual came out really stiff, currently I'm pretty happy with 3/4 turn less fork compression than stated. I'll find out in a week or two.

From the dealer the front was near maxed and the rear was near minimum. Felt kinda strange on the ride home.
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Xtreme6669
Posted on Monday, November 09, 2009 - 08:30 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

what should the sag be? I set the settings up per the manual but there was no mention of sag numbers. Also I have set race sag on my mx bikes a billion times... can someone in the know make a nice detailed step by step on it here?
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D_adams
Posted on Monday, November 09, 2009 - 09:23 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Preload = sag ie; crank it up more, stiffer settings, less sag.
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Sknight
Posted on Monday, November 09, 2009 - 10:09 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I just use the numbers that came in an Ohlins set up procedure a buddy got.

Real simple, bounce the bike, get the tires off the ground, measure from two hard points. We used the fork seal and the top of the axle boss, top of the rear axle to the point where the rear turn signal bolts up.

Then bounce the bike and let it sit under it's own weight. Remeasure. That's the static sag. Needs to have some sag under it's own weight, no more than about five MM.

Next to a wall where you can hold the bike up yourself bounce the bike with your feet on the pegs. That will take the seal stiction out of the mix and settle things in. Sit normally and remeasure the same points. Subtract loaded from unloaded and that's your loaded or dynamic sag. 40-45 is good for street and comfort, 30-35 is a track day type setting, 20-25 is a race setting. YMMV, and it always gets tuned for individual feel. Recheck static sag after getting your dynamic dialed in.

If you don't have static sag like some lardarse I know (Me) then you probably need to step up the spring weight, at that point it's really time to call an expert.
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Tpoppa
Posted on Monday, November 09, 2009 - 10:21 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

http://www.youtube.com/watch?v=tEwX8TOn1YY&feature =player_embedded#

http://www.youtube.com/watch?v=v2agFfQC3wo&feature =related
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Packdog
Posted on Friday, November 13, 2009 - 07:43 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

The first thing I did to mine was set up the sag in the 30 -35 range, even though I am a street only rider. Then I set the compression and rebound at the values suggested in the manual. It was really close to what I wanted, just a little stiff. By the time the bike had 1,500 miles or so on it, it had loosened up and felt great. Obviously there is some error in my method since I am sure that part of the suspension settling in was just me getting used to it.
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Moosestang
Posted on Friday, November 13, 2009 - 11:41 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I can't get more than 30mm of sag in the front and the bike feels weird going into a turn with the front preload at full soft. It seems most bikes suspension lean towards the fat rider.
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Tyrroneous
Posted on Friday, November 13, 2009 - 12:56 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Tell me about it. The book cuts off at 170# rider. I'm 40 lbs less than that! It kinda sucks that Buell didn't consider smaller riders when they came up with the chart?
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Moosestang
Posted on Friday, November 13, 2009 - 01:32 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I remeasured my front sag using a zip tie and it's 28mm, my rear sag with the preload set on notch 2 was 29mm.
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Fresnobuell
Posted on Friday, November 13, 2009 - 02:03 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Hey remember guys with light riding gear you should add 10 pounds to your doctor's office weight and with track gear on add 20 pounds. That may get you closer?

I guess the fact is suspension is only going to fit a range of weights. Buell must target the range that will fit the most riders.

Tyrroneous--Being that light I would be highly suprised if the stock springs suit you at all, even with pre-load taken out completely. You will most certainly will have to get lighter springs if you want the bike to work correctly. Same thing applies to guys on heavy end of the spectrum.
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Froggy
Posted on Friday, November 13, 2009 - 02:23 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

A suspension that works good for a hundred pound guy won't work for a 300lb man. Buell had to make the stock suspension work with as many people as possible, and with the average American clocking in at something like 200lbs, well, the featherweights lose out. Head to McDonald's or pick up some custom Ohins : )
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Moosestang
Posted on Friday, November 13, 2009 - 02:31 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I love Mcdonald's sausage egg McMuffins and Burger Kings double stackers. BK's fries are way better than Mcdonalds.

I've weighed 140 for at least the last 15 years and i'm 36, so I don't see the weight gaining thing happening.

I'm going to have to live with it for now.
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Fresnobuell
Posted on Friday, November 13, 2009 - 02:48 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I love Mcdonald's sausage egg McMuffins

best breakfast sandwich hands down!

Two of my best friends are 140 $ 135 pounds, but they eat like birds too.
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