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o12 spring rates

This is a discussion on o12 spring rates within the ZX-14 forums, part of the Kawasaki Motorcycles category; Hey guys, I can't find what (fork and shock) spring rates they've used in the o12 14r, does anyone know ? Thanks...

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Old 01-21-2013, 04:34 AM   #1
psycho's Avatar
From: new zealand
Joined: Dec 2012

I Ride: o9 14 k9 750

Posts: 57
o12 spring rates

Hey guys, I can't find what (fork and shock) spring rates they've used in the o12 14r, does anyone know ?
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Old 01-21-2013, 05:20 AM   #2
Senior Member
From: CA
Joined: Feb 2009

Posts: 1,943
I don't think the factory gives out spring rates. Just spring sag or collapse. Book gives you a length range to be within spec or replace. However, I would imagine a spring company would have to know the spring numbers, so they can sell you a stiffer/softer spring from that setting.

And just a note in this area... Today's springs come in half and whole increments. That means, (where is me math man?), this more becomes an art. You more or less do not throw in a set of springs and be off riding. You can literally dial in more combos of front end spring rates.

That math says, you buy an 8.5 spring pound rate for one fork setting, stick a 9 pound in the other leg, you come up with an 8.75 combination. If you shelled out for 5 sets of springs @ 8/9/10/8.5/9.5, see where [the art of the suspension] tuning becomes more difficult to achieve? You could add one of the stock springs where you have 6 sets total. And that's just for the front end.

See where a straight set might be too harsh/soft, but a step down/up in the math combo, you can keep records of what worked and what didn't? With all the rebound and compression settings, cheeze us wad a mess to get it dialed in!
Old 01-21-2013, 09:02 PM   #3
From: Brisbane Qld Australia
Joined: Feb 2012

Posts: 57
I believe the soring rate for the 2012 ZX14R is 0.95 front, dont know the rear.


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