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Boohoo
Posted on Monday, May 02, 2011 - 01:04 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I want to start fine tuning my suspension.I have set up the bike according to the manual for a base line.
I was wondering if anyone knew the front and rear static and rider sag for these bikes? Is it different then most sport bikes because of the geometry?
Thanks
Jack
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Albert666
Posted on Monday, May 02, 2011 - 01:48 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

all i can tell you is when i had mine set up at a track day is front static 23mm
rear static 6mm
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Bueller4ever
Posted on Monday, May 02, 2011 - 05:42 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

You'll never be able to get the front sag set correctly unless you weight 300lbs. I'm chaning my front springs when I service my forks.
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Xodot
Posted on Monday, May 02, 2011 - 09:52 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

???????????? You'll never be able to get the front sag set correctly unless you weight 300lbs

Front sag is 29mm as set by a pro for me @ 195 lbs w/ all gear.

Maybe my '08 has different spring rate than yours 4ever - I seem to remember a discussion that they changed the springs at some point in production.


I have track on Thursday (novice). I checked my suspension settings tonight and my rebound and compression are set way too high (too close to the maximum) so I have not been using the bike's suspension in those turns. Looking forward to softening up the ride and getting her to handle like she was made to!
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Mcrbuelligan
Posted on Tuesday, May 03, 2011 - 03:57 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

the 08 - 09 front spring are different
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Bueller4ever
Posted on Tuesday, May 03, 2011 - 04:31 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I should have said, you'll never get it set correctly for the street. Most online sources recommend more than 29mm of sag for the street.

You may have softer springs in Canada. 60% of Americans are fat, so heavier springs.
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Jules
Posted on Tuesday, May 03, 2011 - 05:41 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

You'll never be able to get the front sag set correctly unless you weight 300lbs

Woohoo - for once I'm glad to be a fat b*stard : )
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Boohoo
Posted on Tuesday, May 03, 2011 - 09:35 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I didn't know they had different spring rates I have a 09
from what I ve read so far the settings are in range with other sport bikes
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1_mike
Posted on Tuesday, May 03, 2011 - 09:55 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

The 09 front spring are still too heavy...!

I weigh 245, and have the front springs backed all the way out...and wish I could go farther.
Not far enough out to spend the bucks to have new springs put in right now.

Mike
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Mcrbuelligan
Posted on Tuesday, May 03, 2011 - 10:23 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

got this off a chap Ive met

Early springs = 1.0kg/mm J0121.1AMB

Later (softer) springs = 0.95kg/mm JO122.1AMB
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Xodot
Posted on Tuesday, May 03, 2011 - 11:51 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

anyone have a production date separating early from later?
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Zac4mac
Posted on Tuesday, May 03, 2011 - 12:36 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

IIRC they changed near the end of 08MY.
Not sure if any 08s got the softer springs tho.
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Fresnobuell
Posted on Tuesday, May 03, 2011 - 01:08 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

anyone have a production date separating early from later?

IIRC, July 2008 was the month they changed the springs. I used to know the specific day, if you are good at searching here you can probably find an old thread with the actual date.
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Fresnobuell
Posted on Tuesday, May 03, 2011 - 01:11 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Here's the thread with the actual date and add'l info regarding the spring change:

http://www.badweatherbikers.com/buell/messages/290 431/398343.html
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Bueller4ever
Posted on Tuesday, May 03, 2011 - 03:43 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I need a .85 kg/mm according to sonicsprings.com calculator
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Blake
Posted on Tuesday, May 03, 2011 - 04:36 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

1_Mike,

>>> The 09 front spring are still too heavy...!

You mean "stiff"?

>>> I weigh 245, and have the front springs backed all the way out...and wish I could go farther.

Adjusting sag sets the ratio of compression travel to rebound travel. It has little effect on suspension stiffness.

If you want a more compliant suspension, try adjusting the damping settings. If that is not satisfactory, try reducing the fork oil level slightly and/or changing to a lighter viscosity fork oil.

(Message edited by Blake on May 03, 2011)
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