Best Suspension Company for 4CS Forks

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12/3/2017 11:00 PM

Hey guys, does anyone have any suggestions for the best place to send my suspension with having the 4CS forks? Ive read where Powerband and MB1 do a lot of these but I’ve never dealt with them. I’m a 200lb rider on a 15 KTM250SX so I’m gonna need springs and everything else. Thanks in advance!

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12/3/2017 11:28 PM

Corey at protune to do a SSS conversion

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12/4/2017 3:53 AM

Factory Connection did mine on my 15 Husky 125. Very happy with them.
Fast turn around and excellent customer service!

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12/4/2017 5:12 AM

You only really have to choices of guy's that specialize in the WP 4cs forks!

That is Jeremy at www.MXtech.com & Adam Kreft at http://www.kreftmoto.com/

I went with Kreft after much research.

Go take a look at both of their site & call them, see what they have to offer you for your setup.

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00' BMW K1200 RS
83' Maico 490 ( The Project bike)
81' Maico 490- FOR SALE
03' KTM 525 SX (In ICU)
14.5 KTM 450 Fe- FOR SALE

12/4/2017 5:21 AM

bowser wrote:

Corey at protune to do a SSS conversion

This. Best bang for the buck. Don't waste money on the 4CS.

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12/4/2017 5:28 AM

TBT SSS conversion. Highly recommend!

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2019 KTM 250 SX
2016 Husqvarna FC-450
2015 KTM 150 SX
2015 KTM 200 XC-W

12/4/2017 5:33 AM

I just had my 125 with 4CS redone by FC. I haven’t ridden them yet, but can give you a report in a few weeks. I threw everything at them to make them better, so we will see...

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12/4/2017 5:54 AM

Why you guys want to do the SSS conversion for the WP forks, it does not make any sense(Protune 1000$ with used parts and TBT 1700$ with new parts)?

You can get brand new Yamaha KYB SSS Factory fork from 17 Yamaha about 950$(or even less if you know friendly Yamaha-dealer), then you can buy from Technical Touch KYB WORKS KTM specific axle lugs and oil locks for around 400-500$(add 300$ bucks more, if you take new inner tubes as well, 450$ more if you take new innertubes with DLC coating). For 1400-1800$ you have brand new another fork that you can use and put the 4CS aside, then when you will sell the bike, just swap the crappy 4CS back and take the KYB for for new bike again, easy.

Yamaha SSS outer tubes will fit into latest KTM, you will have to use 0.5mm shim. If you do not want to use the shim just buy the Xtrig triple also from Technical Touch.

I have done SSS conversion few years back into one KTM, it worked good but it was no match to previous KYB SSS complete fork which I had in the same bike. I believe that flex characteristics is different KYB vs WP tubes.

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12/4/2017 6:37 AM

If you have the money do the sss conversion this is the best option. I did not go that route, i went to ty davis he switches the compression to the lugs and the tops are rebound. This along with springs for my weight and valves turned those forks from horrible to decent but at $400 for everything it was worth it. I have yamahas with the sss and they are much better. All depends on what you want to spend. You can find used AER forks too. Those are much better then 4cs but you will spend about the same as the sss conversion.

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12/4/2017 7:04 AM

Your local garbage company can put them to good use. My 16 Husky has them and have been revalved twice. Still like pogo sticks. Worst fork out there imo.

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12/4/2017 7:08 AM

Billy at Powerband racing, do some research on him. Not disappointed with my 4cs at all.

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12/4/2017 7:10 AM

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12/4/2017 7:12 AM

One more vote for Corey at pro tune, but , if money allows, go with the dal Soggio sphere inserts. They are absolutely fantastic, imo much better than sss or aer.

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12/4/2017 8:54 AM

Thanks for the replies and input. I just got off the phone with Billy from Powerband and he’s gonna set me up. Not going to do any conversions or anything.

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12/4/2017 8:56 AM

I had 4CS forks on my 450 and Matt at Active Ride had them dialed.

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12/4/2017 8:58 AM

Canadad wrote:

This worked for me

http://www.dalsoggiorace.com/kit/

Ditto on this kit. Installation instructions are included. Suggest installing new bushings also.

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12/4/2017 9:20 AM
Edited Date/Time: 12/4/2017 9:20 AM

needforspeed78 wrote:

Why you guys want to do the SSS conversion for the WP forks, it does not make any sense(Protune 1000$ with used parts and TBT 1700$ with new parts)?

You can get brand new Yamaha KYB SSS Factory fork from 17 Yamaha about 950$(or even less if you know friendly Yamaha-dealer), then you can buy from Technical Touch KYB WORKS KTM specific axle lugs and oil locks for around 400-500$(add 300$ bucks more, if you take new inner tubes as well, 450$ more if you take new innertubes with DLC coating). For 1400-1800$ you have brand new another fork that you can use and put the 4CS aside, then when you will sell the bike, just swap the crappy 4CS back and take the KYB for for new bike again, easy.

Yamaha SSS outer tubes will fit into latest KTM, you will have to use 0.5mm shim. If you do not want to use the shim just buy the Xtrig triple also from Technical Touch.

I have done SSS conversion few years back into one KTM, it worked good but it was no match to previous KYB SSS complete fork which I had in the same bike. I believe that flex characteristics is different KYB vs WP tubes.

Cool Story.

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2019 KTM 250 SX
2016 Husqvarna FC-450
2015 KTM 150 SX
2015 KTM 200 XC-W

12/4/2017 10:37 AM
Edited Date/Time: 12/5/2017 1:21 PM

https://www.pdrperformance.com/ a Race Tech service and modification location.

A year ago I had the SSS internals installed on my '16 FC450 at PDR.
Soooo NICE!

I just talked to owner Clay Olson that did the mods for me and he says no more need for the SSS
internals.
Race Tech has caught up and works excellent!

EDIT: I had the customized Race Tech Gold Valves installed at the same time as the SSS internals. You would want Gold Valves even if you were upgrading a Yamaha.

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I don't trust any "Joined Date" later than 2012

12/4/2017 12:24 PM

you are wasting money playing with the 4cs.

I tried to warn you.....

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12/4/2017 12:30 PM

Canadad wrote:

This worked for me

http://www.dalsoggiorace.com/kit/

This is what I did. I didn't realize the SSS conversion was that pricy. The Dal Soggio setup is top notch.

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12/4/2017 12:30 PM

Craig Decker at Enzo revalved mine. Zero complaints.

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12/4/2017 3:19 PM

Stillwell knows his way around KTM/Husky and 4CS. Tons of knowledge and testing.

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