New fork spring rate recommendations - Page 2 - SV1000 Portal
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post #16 of 33 (permalink) Old 22nd September 2020, 02:04 AM
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What do they mean by actual and relaxed preload???
Dont make sense hey

Hence my question...

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post #17 of 33 (permalink) Old 22nd September 2020, 05:53 PM Thread Starter
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Just in case things weren't confusing enough, I checked Traxxion Dynamics web site. According to them I should get fork springs with a rate of 1.0 Kg/mm.

https://traxxion.com/product/traxxio...-omni-1-0kgmm/

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post #18 of 33 (permalink) Old 22nd September 2020, 10:07 PM Thread Starter
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I sent Traxxion Dynamics an e-mail asking why there's a difference between their and Racetech's recommendation. Here's their reply:

Not sure why they would recommend .90, that would be a good rate for an SV650. Typically you see .95s in 600s and 1.0 in liter bikes. We have a lot of experience with the SV1000, we used to build Tray Bateys and Marc Junges Vesrah bikes, and they raced the SV1000.



We’ve measured the stock springs at .98, so changing to 1.0 probably wouldn’t be noticeable.

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post #19 of 33 (permalink) Old 22nd September 2020, 11:58 PM
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Yeah, i am 250 pounds in your sepak.....i run the 1.0kg Racetechs.....

Still haven't had anybody stump up the relaxed - actual explanation yet....

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post #20 of 33 (permalink) Old 23rd September 2020, 02:02 AM Thread Starter
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Quote:
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Yeah, i am 250 pounds in your sepak.....i run the 1.0kg Racetechs.....

Still haven't had anybody stump up the relaxed - actual explanation yet....
How do the 1.0 springs feel to you? (too stiff/too soft/just right)

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post #21 of 33 (permalink) Old 23rd September 2020, 06:01 AM
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Yeah, at this time, i am not sold on them, maybe i like a little more sponginess....?
But, considering i might not have set the installed preload right, i might be behind the 8 ball a bit....

PLEASE SOMEONE TELL US WHAT RELAXED AND ACTUAL means.... Ha Ha

I am guessing that actual is the important one.....i might check it at the weekend....probably have to have the
damping unit out of the fork to do it right......

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post #22 of 33 (permalink) Old 23rd September 2020, 07:17 PM Thread Starter
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Found it!

https://racetech.com/page/title/Fk%2...20and%20Actual

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post #23 of 33 (permalink) Old 23rd September 2020, 09:27 PM
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Thats awesome.....

I have a headache now....ha ha
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post #24 of 33 (permalink) Old 25th September 2020, 01:02 AM
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I realised something... i dont have to pull my internals out to do this, only the springs...

I have a set of internals spare...forgot i had them..... i can do the set-up on them, and then transfer the springs and adjusted spacers over..... WOO HOO

Ok....I am getting little ticked off, i want to find a video of the actual process of doing what racetech have on the worksheet....but, do you reckon there is one ?

It is not making much sense thats all when i look at my spring / spacer setup

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post #25 of 33 (permalink) Old 28th September 2020, 05:55 AM
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UPDATE.....

Did the job as per the Racetech worksheet..... my front end (Gixxer 06-07) needed 10mm of actual preload...... now bearing in mind, when i fitted the 1.0kg springs, the Racetech instructions
told me, i think, to make sure the spacer and spring were the same length as the OEM spacer spring setup.... which would mean i had to cut 10mm off the spacer...i didnt do that....
I cut 5mm off..... 3 years ago this is.....

And, guess what.....i have 10.5mm actual preload....

I though i was gonna have to slowly slowy trim down a fresh spacer until i got it, considering the top out spring has some say over the lenght of the main spring as load alters.....

But, nope, all is sweet..... gonna look at my travel with a zip tie and see how that is now......
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post #26 of 33 (permalink) Old 20th October 2020, 10:25 AM
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I've been looking into a set of Racetech springs myself. However i noticed they only got springs for the S model in their search engine.

Did you confirm with Racetech it would work out for your N model? Or is just a matter of a shorter spacer needed? To my knowledge the S fork legs are 5 mm longer?
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post #27 of 33 (permalink) Old 20th October 2020, 01:08 PM Thread Starter
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AFAIK the springs are the same.

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post #28 of 33 (permalink) Old 20th October 2020, 01:19 PM
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Okay, thanks!
The sparepart catalogue is a little messy and got different numbers for the early, later, S, and N.
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post #29 of 33 (permalink) Old Yesterday, 01:04 AM
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"slight" possibilty the S and N ones were different OEM rate because of less weight over the front on the N model, maybe ?

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post #30 of 33 (permalink) Old Yesterday, 03:36 AM Thread Starter
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I'm quite certain that the springs are identical. I have the addendum to the shop manual for the N version and there's no mention of different springs. I've also measured the springs and they're the same length as the S springs,

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