KONI YELLOW sport shocks: NEW vs. USED
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- Опубликовано: 14 май 2018
- Koni shocks front for the MR2 AW11: amzn.to/2nTztdP
Koni shocks rear for the MR2 AW11: amzn.to/2VQmtC0
Koni shocks front for the MR2 SW20: amzn.to/2IY0Qui
Koni complete shock kit for the MR2 ZZW30 Spyder: amzn.to/2Mn7Umn
Here's a quick little comparison video of a brand new Koni yellow sport shock vs. a used one with 60.000 miles on it, but with no leaks or faults.
I compared the koni yellows on both the softest and firmest settings. While the used shock doesn't have any faults, there are obvious differences especially on both. On the softest rebound dampening setting the new shock rises a lot faster than the old one. On the firmest rebound setting the the new shock is a lot harder to pull up. On both of the settings the new shock is a lot harder to push in.
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Koni shocks front for the MR2 AW11: amzn.to/2nTztdP
Koni shocks rear for the MR2 AW11: amzn.to/2VQmtC0
Koni shocks front for the MR2 SW20: amzn.to/2IY0Qui
Koni complete shock kit for the MR2 ZZW30 Spyder: amzn.to/2Mn7Umn
This is a reason for I love KONI shocks. When I build in KONI shocks with my car, my car never lift up by strong cross-wind. So it gave me highly stability driving for windy day in the mountain.
Very helpful to see the behavior of the two side by side. Thanks.
Actually still fairly impressed with the used one!
Me too. None of the four used ones leaked or had any issues. Ride was a bit crashy but I blame my old garbage lowering springs.
Yeah, I had them on my bike and they never EVER leaked although VERY heavy duty over almost 20 years . . .
That "test" is useless on most koni sport range, you can have a perfect koni that doesent go up for himself or goes in different speed, that test is only for gas filled shocks and you need to prime them first.
Koni sport are mostly oil filled only, What counts is hydraulic resistance and you need a device to measure it.
From koni:
The automatic extension of a shock absorber is caused by gas pressure. Not all KONI shock absorbers are gas pressurized, The automatic extension can also be reduced or cancelled out by the shock’s valving (even more when adjusted), something noticeable the most on low pressure gas shocks.
I guess you missed the part on the shock that said "Gas Filled" 😶
Exactly the kind of testing i do in my garage, lol. Getting ready to upgrade my Vogtland coil-overs with some inserts.
This test means nothing, the shock absorber needs to have force pulling it on rebound, this only shows that they are pressurised.
You have a point, but this still reveals a lot. Even without any upward pulling force it shows a big difference between the two shocks, which will also be present when that force is applied. You can clearly see that the new shock rebounds a lot better and will thus result in smoother and more composed handling. The old shock's rebound performance is clearly a lot more uneven and will yield to spring pulling forces unevenly, which will of course result in less than desirable handling.
You know nothing.
@@matreyia then what do you know expert, do you work in a shock absorber factory?
@@calumward1192 - solo shock rebound rate testing is 100% certain to show if a shock is defective or not. You know nothing.
@@d4a I read somewhere that the Koni rebound adjustability was originally not designed for tuning, but to counteract wear over the lifespan of the shock. In other words, the old shock is meant to be set stiffer in order to regain some of the lost rebound damping performance.
A nice video, but for some a bit confusing in the comments below and on the shock-absorber, it is correctly described that the tested silencers are gas-oil. The yellow shock absorbers koni-sport can be gas-liquid or hydraulic. And the hydraulic do not extend back.
Thanks for posting this video. I was wondering why my is al going lower and lower.
Bought my Honda Civic EK4 with used Koni Shocks in 2002, now 2024 and the shocks still are good enough to pass the yearly car control but now i am sure to order a new set 😉. My front tires are eating the pastic fender protection.
Makes sense on why my dealership didnt want to replace my shocks even though I said my 135I from 2009 should ride way better than it does... simple. The shock is just trashed even though it's not leaking.
Thanks to whomever thumbed this up there is more to the story too. I'm going to do a video on it.
Holy crap. O.O
Thank you for your service. 🖖
Thanks for sharing
I was told the pressurized gas doesn't determine if the shock is good nor not, it is to reduce the frothing of the oil and does not affect it's ability to absorb bumps. Less pressure (doesn't rebound as fast) could indicate the oil may mix with the gas faster but not something the average driver would notice and the shock should have much life left.
I’ve just purchased a pair and this is happening to me one is very slow going up
That was fun 😂
Hi there. Really need help regarding KONI shocks with adjustable damping… if I want them to behave like my normal shocks what should I set them to? 50/50?
Not same as new but still fine I think.. due to the spring helps a lot to push the suspension up
I just pulled my 8641 1060 sports. one sucked itself back in and would not come out at all on firm or soft. Not even 50km on it. the other is perfectly fine.
Would Koni replace the old shock under warranty? Or does it have to be completely leaking?
These were pretty old shocks, I think more than 10 years old at least and they don't offer a lifetime warranty as it really is a wear item.
As far as I know Koni absolutely offers a lifetime warranty for their sport struts and shocks to the original purchaser when installed on the original car they were purchased for. You can't warranty this one because there is absolutely nothing wrong with it.
I was able to get 1 of 4 warrantied. It wasn't visibly leaking but the valve would not return. Although the other 3 were visible tired/slower to come up compared to the replacement, koni refused to exchange them.
@@mxkcrm slow or lack of return is not indicative of a bad shock, however, rebound resistance is. Since Koni Yellows are a low pressure gas twin tube design it is completely normal for the piston to not return to the top of it's stroke.
In my opinion the best shocks you can buy. I used to chose my next vehicle only if there was Koni shocks for it. Wish Koni make struts and shocks for my Toyotas 2019 Camry and Rav4
Please Koni 🙏🏻
I think it would be better to compare them on a dyno before coming to any conclusions and giving viewers the impression that the dampers are substandard. I've seen a few different dampers do the same.
This video has no conclusions and gives no impressions. It simply demonstrates the different behaviour of new and used shocks. But here's a conclusion if you're interested, the used shocks are dead. I drove the car with them and it was genuinely horrible over bumps, in corners, and even when braking and accelerating. The car was unsafe. You really don't need a dyno to tell you something that obvious.
@@d4a This is a great tool for those of us weighing the cost of buying new vs whatever we might save on a used set that looks like a " great deal". This definitely sold me on spending the extra $ on new shocks with fresh wear bands, seals, fluid, etc.
So koni shocks need replacing after 60.000 km? Why didnt you rebuild them? I know koni yellows are rebuildable.
Waiting for an install video ;)
Their service life depends on a million things. How you use them, where you use them, what kind of driving style, what kind of environment (how much dust, sand, moisture, snow) etc. etc. It's really hard to tell. These were still usable and not leaking, but obviously inferior to the new ones. I didn't rebuild them because the nearest licensed rebuilder of Koni shocks is very far away. Rebuild cost is just a little bit less than new ones, but when I would add shipping them there and then shipping them back it made no sense financially. It was actually cheaper for me to drive 1100 kilometers to Budapest and back to pick these up then to have them shipped to over :) There's a video about it, here it is: ruclips.net/video/mlIDUZ2AiAM/видео.html
Here's a video about how to install them into the struts: ruclips.net/video/NIrSU4wPiL4/видео.html
Here in Greece it doesnt cost much to rebuild them but I have a feeling that the rebuilt proccess is not up to manufacturers standards and the outcome is a harder shock than before. When they rebuild them the just replace the seals and add new fluid but they do not add any gas in them. Whereas, if im not mistaken, the koni yellows do have gas in them.
Exactly! I have the same rebuild option locally, for like a 100eur for all 4 shocks, and they just refill them with oil. As you already figured out, this of course is nowhere near a proper rebuild.
I have standard shocks on my bmw wagon. But its really soft in turns and waves a lot. A friend gave me his old sport shocks but they worn come up itself. Seems there is no gas, but oil is still there and no leaks. They are firm to compress and a lot of resistance to pull up. Can i use them istead of the standard shocks?
go for it sounds like ur shocks on the car are worn out
Interesting
You probably have good phone conversations w your lady friend.
So you don't actually adjust how stiff it is to compressed when hitting a hole or bump? You actually adjust the how fast or slow it decompresses? So when it decompresses more slowly, you wouldn't feel the bump or hole as much as you would on a softer setting? Is this how it suppose to work?
The first part of what you wrote is correct. These shocks are only rebound adjustable. Rebound is the rate at which the spring returns to its neutral position AFTER it compresses from hitting a bump. These shocks are not bump adjustable. Bump is the rate at which the spring compresses, i.e. it is what influences how comfortable or soft your car is when first hitting a bump. Rebound controls how fast your suspension recovers from a bump, it also controls how fast your car reaches its maximum leaning point in corners. So these shocks will always be equally comfortable but you can control their behavior for different types of driving environments (track day, autocross, mountain roads, maybe even rallying) in order to get the best performance out of your suspension.
@@d4a so what setting would you have it on for standard British roads. No track time etc just fast driving and commuting. Thanks
@@ShitHappenzz I had Koni Yellows on the front of my BMW e39 540i M Sport Touring with the Mtech 2 springs front and OE Mtech 2 airbags rear with Sachs dampers. Around London I had the yellows on soft and when I went outside the M25 mostly on motorways and fast A-roads I went with full damping. Remote adjustment would have been nice but only for convenience.
Don't you need to fully compress these to make adjustments? That's how mine are at least.
Thats Koni Red...
@@schortii I guess they're different for each car. The yellows in the rear for a fiesta st have to be compressed for adjustments but the fronts don't and can be adjusted from the engine bay
Really should compare 60k miles with some broke in that have like 1000 miles on them.
Not a very scientific test.. they need force applied, preferably on a dyno, to judge the true rebound damping.
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Sort of explains why Monroe recommend shocks are routinely replaced at 50,000 miles.
Mind you, I would never recommend anyone use adjustable shocks. It's lazy product development on the part of the manufacturer and pushes the "tuning" on to the consumer instead of engineering them properly (and the vast majority of consumers will adjust them wrong through no fault of their own). Buy shocks ENGINEERED for your car, eg Bilstein, Monroe etc etc.
These are several times the price of Monroes.
They have the STR.T (pronounced 'street') range for that. They road test and develop the damping level that they feel is best for the application. Then that level used for the STR.T is the start of the Koni Sport yellows (min setting), which then give you a large range of rebound adjustment above that setting for different mods and uses I.e. stiffer springs and/or track use.
That's incredibly ignorant on all counts. Adjustable shocks are meant for the customer with dual usage profile, where you need significantly different percentage of critical damping for regular driving versus track or autocross driving.
This test is bogus in its validity because a human cannot exert enough force to exercise a shock at the shaft speed it's tuned for.
I think Monroe shocks aren't nearly as good as they used to be.
@@SpecialEDy Please, make no mistake. Monroes aren't within an inkling of the Koni yellow sport shocks. I installed a set on my 89 Mustang gt & they gave out just shy of 25 years. Well worth the $802 I paid for them back in 1996 (they were made in Holland). Stay safe ☮️
You actually did more damage to it because it's not meant to compress all the way down..... Should only be around 3"of travel.
I don't know where the information comes from, but I guarantee you that you can't damage shocks by compressing them all the way with your hand. Compressing them all the way suddenly with great force is a different thing, but no human hand can exert that kind of force.
These shocks blow in no time. Give it a few months
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