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Discussion Starter · #1 ·
So when I bought my bike last August I didn't notice that the stock rear shock had been replaced. Long term I plan to swap out the suspension with GSXR components -- but right now I'm just curious what I currently have and if it's any good. I'm a new rider so have nothing to compare it to, but the rear suspension seems to be much stiffer than the stock front end, which I like.

How do I identify what I have? Here's a picture:

 

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Google imaged this and it does look like it's either a '05 or '06 Kawi 636 shock, but does anyone think it could be something else?
It could be a ZX10 shock, 06-07? I can't remember exactly what year I had but it looks similar.

Either way, should be better than a gsxr shock (nearly all of them are too short) depending on your weight
 

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It could be a ZX10 shock, 06-07? I can't remember exactly what year I had but it looks similar.
Definately not 06 or 07. I used to have an 07. The 06/07 had a parallel reservoir and were a slightly different color.

Either way, should be better than a gsxr shock (nearly all of them are too short) depending on your weight
I agree 110%.
 

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I agree with '05-'06 636. Definitely not ZX-10 '06-'07, or '08.

The spring on that is rated at 543 lb./in, plus it looks like it's cranked right down. What kind of sag numbers are you getting? Do you weigh 220+ lbs.?

First thing to do is see if you are getting around 25 mm. of sag, then play around with the settings.

Edit: Oops, sorry about that. That should be 32 - 35 mm. of sag with rider on
 

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After looking more closely at photos on eBay, I have to say I was mistaken - it does not look like a 636 (check out the reservoir - it is different) but rather like the '04 - '05 ZX-10, as others here have said. That means the spring is even stiffer - 559 lb./in. Yikes! What would that be for, like a 280 - 300 lb. rider?

510 lb./in. is the rate of the '08 ZX-10 spring according to this
https://docs.google.com/spreadsheet...jg2MTcwS2swVFF0TU5UX3c&authkey=COvG24gH#gid=1
 

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After looking more closely at photos on eBay, I have to say I was mistaken - it does not look like a 636 (check out the reservoir - it is different) but rather like the '04 - '05 ZX-10, as others here have said. That means the spring is even stiffer - 559 lb./in. Yikes! What would that be for, like a 280 - 300 lb. rider?

510 lb./in. is the rate of the '08 ZX-10 spring according to this
https://docs.google.com/spreadsheet...jg2MTcwS2swVFF0TU5UX3c&authkey=COvG24gH#gid=1
heavy rider or if you do a lot of 2 up riding.
 

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Discussion Starter · #16 ·
Hey guys, sorry - forgot to check back on this thread until now.

Sounds like the popular choice is now that's it's a zx-10 shock -- but I thought I read somewhere here that the zx-10 doesn't require the SV's battery box to be cut, and mine is.

Is there any thing I can look for specifically on the shock to confirm, instead of just browsing pictures? Markings/product/serial #'s?

I only weigh 135lbs (yeah, I know) and haven't adjusted anything on the shock to this point, which explains why the rear is so stiff in comparison to the front end.

thanks for the replies, keep 'em coming!
 

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That spring is 559 lb./in. If you weigh 135 lb. it is not going to matter how much you adjust the shock, it is useless for you. It is not possible to adjust it enough to work - with the spring preload backed off to the minimum and the valving adjusted full soft, it will still be like you are riding a hardtail. That spring is suitable for someone twice as heavy as you, about 270 lb. The valving will also be too stiff.

You would be much better off with a stock shock, even though it is a piece of junk and not adjustable except for preload, the spring rate of 430 lb./in. is close to being right for your weight. Opinions on the correct spring rate for your weight would range from 430 lb./in. to 475 lb./in. Someone here might give you a stock shock for free if you pay for shipping. Or you could search for the rare '06 - '07 ZX-10 shock (spring rate of 463 lb./in.) Beware, a lot of the shocks on eBay are mislabelled - they are not what the seller says they are. Do your homework if you go that route.
 

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Discussion Starter · #19 ·
That spring is 559 lb./in. If you weigh 135 lb. it is not going to matter how much you adjust the shock, it is useless for you. It is not possible to adjust it enough to work - with the spring preload backed off to the minimum and the valving adjusted full soft, it will still be like you are riding a hardtail. That spring is suitable for someone twice as heavy as you, about 270 lb. The valving will also be too stiff.

You would be much better off with a stock shock, even though it is a piece of junk and not adjustable except for preload, the spring rate of 430 lb./in. is close to being right for your weight. Opinions on the correct spring rate for your weight would range from 430 lb./in. to 475 lb./in. Someone here might give you a stock shock for free if you pay for shipping. Or you could search for the rare '06 - '07 ZX-10 shock (spring rate of 463 lb./in.) Beware, a lot of the shocks on eBay are mislabelled - they are not what the seller says they are. Do your homework if you go that route.
Where are you getting these spring rates from? There has to be some softer Suzuki/Kawi adjustable shocks out there that fit the SV. Putting a stock shock on just seems like an odd thing to do.

thanks for the help!
 
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