Suspension.... - Page 7 - ZX6R Forum
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post #91 of 134 Old 01-02-2017, 02:56 PM
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Oh and if you put 40 psi in my tires I would know after the first corner. Just because some riders are oblivious doesn't mean that others are just as lame. If you learn how to tune your own suspension, it can be as valuable as learning how to properly corner on a racetrack.
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post #92 of 134 Old 01-02-2017, 05:25 PM
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There is no nitrogen in a preload adjuster. Just shock oil. There is nitrogen in the shock floating piston can about 5 bar to be exact. There is very little nitrogen and you have to take a screw out and expose the needle bladder/plug to discharge it. You probably were hearing something else. This is on an Ohlins TTX shock.
Yes I was told there is no oil or nitrogen in the preload chamber. Even they were confused to what I was explaining. But I can promise the noise is coming from the preload chamber because when I move it I can cause the noise. I will be taking the whole bike to them so they can hear what I am hearing. They were very nice about it and sounded like they'd do the most to figure this out with me hahaha

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post #93 of 134 Old 01-04-2017, 02:22 PM
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Thanks @Felixthecat for the springs, however after further research and measuring the springs I found that their length is at 230-235mm for the 09-12 BPF and the 13+ zx6r BP-SFF uses 250-255mm spring length.

This also explains why the RaceTech springs you had were 20mm taller. RaceTech uses the same spring models from 07+ zx6r.
I'm going to be ordering some springs at 9.5N but I'm leaning more towards ordering form Ohlins or K-tech. RaceTech's support has been somewhat inconsistent for me, and pricey.
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post #94 of 134 Old 01-04-2017, 02:55 PM
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Some more differences are that the 09-12 uses Showa SS-05 fork oil (3.60cSt viscosity at 100C) vs the 13+ using SS-47 (similar to ss-08, 7.38cSt viscosity at 100C)

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post #95 of 134 Old 01-04-2017, 04:55 PM
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Dope well at least now you have something to sell unless you don't want them lol

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post #96 of 134 Old 01-04-2017, 04:59 PM
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Just redneck the shit out of it and use a 20 mm spacer

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post #97 of 134 Old 01-04-2017, 05:13 PM
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Dope well at least now you have something to sell unless you don't want them lol
I don't think anyone is looking for stock 09-12 springs

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Just redneck the shit out of it and use a 20 mm spacer
I actually did consider this. I know I've seen someone who sells them, I think it was eibach or gp suspension.

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post #98 of 134 Old 01-04-2017, 07:24 PM
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Thanks @Felixthecat for the springs, however after further research and measuring the springs I found that their length is at 230-235mm for the 09-12 BPF and the 13+ zx6r BP-SFF uses 250-255mm spring length.

This also explains why the RaceTech springs you had were 20mm taller. RaceTech uses the same spring models from 07+ zx6r.
I'm going to be ordering some springs at 9.5N but I'm leaning more towards ordering form Ohlins or K-tech. RaceTech's support has been somewhat inconsistent for me, and pricey.
Oh and I believe Kyle racing has that size you want.

2012 Ninja ZX6R
Ohlins TTX MKII Rear Shock - Ohlins Steering Dampener - Yoshimura Carbon Fiber R77 Full System - Power Commander 5 tuned to 121rwhp - Schnitz ECU Flash - Core Moto SS Brakelines - Armour Bodies Track Fairings - Motion Pro Quick Turn Throttle - Woodcraft Case Savers LHS, RHS, Timing Cover - Driven Block Off Plates - Driven Gas Cap - Driven Sprockets and Sprocket Nuts - Servo Buddy - Ballistic 8-Cell Li Battery - SpeedoDRD

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post #99 of 134 Old 01-04-2017, 07:39 PM
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Oh and I believe Kyle racing has that size you want.
Yeah, I sent them an email for a price quote. I'm not sure which rate would be better for me but I'm leaning towards 10,0N over the 9,5N (converted to kg it is 9,5N = 0.93kg, 10,0N = 0.98kg.)

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post #100 of 134 Old 01-04-2017, 07:46 PM
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Idk what they told you yet but for my 12 model he said they only made 9.5 n/mm and 10 n/mm so I had those two to choose from haha.

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Ohlins TTX MKII Rear Shock - Ohlins Steering Dampener - Yoshimura Carbon Fiber R77 Full System - Power Commander 5 tuned to 121rwhp - Schnitz ECU Flash - Core Moto SS Brakelines - Armour Bodies Track Fairings - Motion Pro Quick Turn Throttle - Woodcraft Case Savers LHS, RHS, Timing Cover - Driven Block Off Plates - Driven Gas Cap - Driven Sprockets and Sprocket Nuts - Servo Buddy - Ballistic 8-Cell Li Battery - SpeedoDRD

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post #101 of 134 Old 01-05-2017, 08:44 AM
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I think I'm going for the 10N. My weight w/o gear is at 180.

Anyone know if I can just change one of the stock springs to 10N (.98kg) and keep a stock .90kg on the other fork to test out first?

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post #102 of 134 Old 01-05-2017, 10:01 AM
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Originally Posted by sbk1198 View Post
Just redneck the shit out of it and use a 20 mm spacer
Looks like I found the answer on what to use. PCV

Fork Spring Spacers - Lindemann Engineering

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post #103 of 134 Old 01-05-2017, 10:11 AM
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I think I'm going for the 10N. My weight w/o gear is at 180.

Anyone know if I can just change one of the stock springs to 10N (.98kg) and keep a stock .90kg on the other fork to test out first?
Yes you can mix them up to get something in between sizes like I was telling Felix before. So if you use a 10 and a 9.5, you end up with an overall of 9.75 N/mm.

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post #104 of 134 Old 01-05-2017, 10:17 AM
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Yes you can mix them up to get something in between sizes like I was telling Felix before. So if you use a 10 and a 9.5, you end up with an overall of 9.75 N/mm.
I was going to try out a 10N and the stock 9N. Then either keep that setup or get another 9,5 or 10. I've searched for multiple rate calculators and they either recommend a 9,5 or 10 so they aren't too helpful. RaceTech suggested the .95's (9,3N).

-------

I've seen that some other rider's in my weight range get the 9,5's but still notice the fork dive and bottoming so that's why I'm unsure in whether to go for the 9,5 or 10's.

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post #105 of 134 Old 01-05-2017, 11:41 AM
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I was going to try out a 10N and the stock 9N. Then either keep that setup or get another 9,5 or 10. I've searched for multiple rate calculators and they either recommend a 9,5 or 10 so they aren't too helpful. RaceTech suggested the .95's (9,3N).

-------

I've seen that some other rider's in my weight range get the 9,5's but still notice the fork dive and bottoming so that's why I'm unsure in whether to go for the 9,5 or 10's.
Tune that fork dive out by increasing compression dampening. If you go too stiff on the springs you will get rid of the front end feel. FYI, Racetech seems to estimate on the stiff side of the equation; every time I have used their estimator. I tend to like softer springs with more hydraulic dampening( ie. compression, rebound clicks). I am a bit lighter than you 170 w o gear and I am on 9.25s(2013 zx6r) fork spring and a 10 kg in the rear, but I don't jam on the brakes too much. I do ride in the middle to front of the A group.
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