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InsaneDawe

YSS Shock Write-Up - The Cheap Option

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InsaneDawe
Posted (edited)

The YSS MZ456-310TRL-39

TL;DR: YSS makes a quality shock for a “Grey Market” price in between iffy retrofits like the 18+ MT or 600rr shocks and paying for a properly set up guaranteed quality piece like the Ohlins/K-Tech $500-$600

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It’s a 46mm shock, 16mm shaft, ~312-14mm in length, Adjustable length, Preload & Rebound, Nitrogen Filled. Single Preload Collar with set screw. Replaceable spring, probably rebuildable. Spring I received was 56-120 like K-Tech unlike the Ohlins which is 115.

 

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The packaging is very basic. There is Taiwanese everywhere but has everything translated in english. And it’s properly translated showing they care. Bumpstop has YSS molded into it showing they care about the small details, nitrogen valve cover has a paint mark for indicating if the screw was removed. Finish seems good, no visible imperfections although I question if the lack of coating will effect protection against corrosion. I’d also prefer it be a twin colar preload but at least it has another setscrew location in the back if you ruin the first set screw. Probably could fit a spare collar and get rid of the setscrews. There are no bushings on the mount like the Ohlin’s one which may cause wear but K-Tech & stock are similar. None of the FZ/MT-07 shocks have bushings on the clevis.

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I had the shock set to factory preload and felt it needed to be turned down a bit because my bike had no static sag. That moved the collar closer to my Hordpower intake. I worry about the clearance so I won’t be adjusting further until I have my suspension properly tuned.

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Riding Impressions

Feels way better, spring is much better suited for my weight and the compression damping made a huge difference. Ohlin’s recomendeds 14 click rebound and Ktech recommends 16 clicks. I tried 14 clicks from full soft initially but that felt too aggressive for my bumpy test loop. 10 Clicks is where I settled on.

Overall an amazing upgrade, highly recommended although it is further pointing out my lackluster front forks.

 

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Cost

$341.83 shipped from Italy via Ebay, look around and you may be able to get one for $320.

 

Bottom line

Seems like a quality shock priced in between retrofits like the 18+ shocks or 600rr shock and paying for a properly set up, guaranteed quality piece like the Ohlins/K-Tech $500-$600. You are taking a gamble buying via Grey Market a.k.a. no returns, questionable parts.

Edited by InsaneDawe
Bushing Update.
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InsaneDawe

Saved for updates once I put more miles on it.

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cornerslider

I've owned both K-Tech, and Ohlins. I think the K-Tech is slightly better quality. I've always kept an eye on YSS, and wondered "what if"........  I use my FZ-07 for track use, so I can justify the cost of the higher end shock. I currently have the K-Tech Razor "R" on my "07", and I'm VERY happy with it. That being said, I have a 2019 R3 that I use on the street. I put a K-Tech Razor "Lite" on the R3 ($495). I looked at the YSS version, and I seriously considered it. For street riding, I don't need the "best". The YSS seems like a good choice for most street riders. Nearly anything is better than the OEM garbage. Let us know how it plays out long term. Thank you for the write-up 😎


""W.O.T. until you see god, then brake"

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InsaneDawe
2 hours ago, cornerslider said:

For street riding, I don't need the "best". The YSS seems like a good choice for most street riders. Nearly anything is better than the OEM garbage. 

I still suggest people buy the nicer shocks. I decided to give this a try because I'm continuously on the fence about selling my FZ.

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cornerslider
44 minutes ago, InsaneDawe said:

I still suggest people buy the nicer shocks. I decided to give this a try because I'm continuously on the fence about selling my FZ.

I get that... I'm never even close to considering selling my 07. Never been as happy as I am with this platform!!! I usually only keep a bike for 2-3 years. THIS one stole my ❤️!!!!

 

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""W.O.T. until you see god, then brake"

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stickshift
14 hours ago, InsaneDawe said:

 There are no bushings on the mount like the Ohlin’s one which may cause wear but K-Tech & stock are similar.

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Thanks for the review, looks like  decent option for the money.

The ohlins shock doesn't use bushings in the clevis - the pic above is a stock image for a different model.

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Joaoduarte

For exemple for the 18+ model do you think it is a good upgrade?

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Bigturbomax
Posted (edited)

Nvmd. Misread post lol

Edited by Bigturbomax

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Joaoduarte

eheh no problem just asking because ive a 18+ model and the rear suspension is really different from prior to 18 so dont now if  this would be a good upgrade or not

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Tjern

Just want to point out that for the price, if you are in the US, reach out to Bellissimoto and they can give you a great deal on a Razor R-Lite like they did for me. I am curious about the YSS, I'm sure anything is better than that stock POS.

 

Paul was super responsive and lets just say I'm very happy with what I paid.

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mjh937
1 hour ago, Tjern said:

Just want to point out that for the price, if you are in the US, reach out to Bellissimoto and they can give you a great deal on a Razor R-Lite like they did for me. I am curious about the YSS, I'm sure anything is better than that stock POS.

 

Paul was super responsive and lets just say I'm very happy with what I paid.

+1 on @bellissimoto.  I just ordered some parts and @pgeldz replied to my pm very quickly with great prices, even though it was a Sunday.  I will post a photo when they arrive so you will all have to wait and see what I got (I have to have some secrets ;) ).

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InsaneDawe
9 hours ago, Joaoduarte said:

eheh no problem just asking because ive a 18+ model and the rear suspension is really different from prior to 18 so dont now if  this would be a good upgrade or not

Not sure, I know the spring rate has been changed on those bikes and I believe the compression dampening has been revised. This would have the added bonus of being rebuild-able but can't guarantee that it would be a big upgrade.

Probably just a hair more aggressively dampened on compression and the rebound dampening range is super aggressive.

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Joaoduarte

I ask that because mine feels just right compared to the 16 one i tried wich was a lot bouncy

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firstyammerha

InsaneDawe, did the YSS shock come with a set up or build sheet? Or is it a shock built for a range of riders? My first Ohlins shocks from decades ago were `off the shelf' shocks built for a particular bike but no specific rider. They worked great for me and introduced me to the performance aftermarket suspension world. 

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InsaneDawe
21 hours ago, firstyammerha said:

InsaneDawe, did the YSS shock come with a set up or build sheet? Or is it a shock built for a range of riders? My first Ohlins shocks from decades ago were `off the shelf' shocks built for a particular bike but no specific rider. They worked great for me and introduced me to the performance aftermarket suspension world. 

It's a shock built for a range of riders. If you are buying grey market, it comes with the 56-120-150 spring. One listing says that's good for a person that's about 12-15 stone (170-210 lbs) and say they can swap the spring for £38.

I'm pretty sure a K-Tech 46mm x 150mm spring will fit if you'd like to better adjust it to your weight. 

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firstyammerha

Thanks for the reply InsaneDawe. I guess that's a DeCarbon shock versus an emulsion type. My feeling is that this shock could be an alternative to  a rebuilt EBay shock. We need to get some more out in the field and feedback from the owners on their performance.

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