Wee rear susp. ratio? - Stromtrooper Forum : Suzuki V-Strom Motorcycle Forums
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post #1 of 6 Old 01-29-2013, 06:28 PM Thread Starter
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Wee rear susp. ratio?

I haven't been able to find a value for the linkage ratio of the Wee ( 2008 ) rear suspension at rest. Can anyone point me in the right direction?

Thanks,

Glenn

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post #2 of 6 Old 01-29-2013, 06:32 PM
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The rear changes about 2.8mm for every one 1mm difference from the stock 140mm between hole centers on the links. Does that help? I'm not quite sure what you seek.

Pat- 2007 DL650A was ridden to all 48 contiguous states. I didn't quite make it to 17,000 miles on the 2012 DL650A.
Nicknames I use to lessen typing, Vee = 2002-2012 DL1000s. Vee2=2014-2016 DL1000s. Wee = 2004-2011 DL650s. Glee = 2012-2016 DL650s
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post #3 of 6 Old 01-29-2013, 09:02 PM
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Quote:
Originally Posted by greywolf View Post
The rear changes about 2.8mm for every one 1mm difference from the stock 140mm between hole centers on the links. Does that help? I'm not quite sure what you seek.
That's a start, but it's only valid at a particular point in the travel. It's not a single value, but a curve. To do it right you really need to characterize the the curve throughout the whole range of travel. Either by a bunch of relative travel measurements (with a homemade telescoping measuring device in place of the shock) or by carefully measuring all the fixed and moving pivot and mounting points and modeling it in CAD software.

Rich Desmond
'07 DL650, '01 DR-Z400S, '99 SV650 (race bike), '80 GS1000S, '85 RZ350, '08 Ducati 848
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post #4 of 6 Old 01-29-2013, 10:31 PM Thread Starter
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Quote:
Originally Posted by greywolf View Post
The rear changes about 2.8mm for every one 1mm difference from the stock 140mm between hole centers on the links. Does that help? I'm not quite sure what you seek.
Hi Pat,

What I'm looking for is 'X' in:

1 inch rear wheel travel = X inches shock travel. It's a curve, but the initial value will work for my purpose.

CAD would work, but I don't have access to a CMM anymore...

Glenn

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post #5 of 6 Old 01-31-2013, 07:29 PM
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Originally Posted by rdguy View Post
Hi Pat,

What I'm looking for is 'X' in:

1 inch rear wheel travel = X inches shock travel. It's a curve, but the initial value will work for my purpose.

CAD would work, but I don't have access to a CMM anymore...

Glenn
What are you doing with the info. I can probably help
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post #6 of 6 Old 02-01-2013, 10:28 AM Thread Starter
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What are you doing with the info. I can probably help
I'v got 1.25" lowering links on the bike now, but I'm getting the shock rebuilt and shortened by a well-regarded local guy. I just want to know how much to take out of the shock to maintain the current height.

The rebuilder will be able to measure it directly, but I figured the number had to be out there already. No panic if I don't get an answer - I just like to get info ahead of time if possible.

Glenn

Cogito, ergo farklum
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