TE/TC 4CS Issues

For off road work, doesnt matter desert to woods, open chamber forks are great.... plus a great advantage is you can service easier and at a more regular interval.... all that matters for off road, which gets lost somewhere before the factory and designers, is the fact that for off road you need to flow much more oil than moto and you just need to be able to control that flow properly.....

When I was on KX500s, while talking with him about how bad the forks were he explained "how someone could fix the forks"... I laughed and said so I drill X amount of holes this size.... oh you cant do that he said, but if a guy were to do that they would enough oil that they would work great....

So I went home and drilled holes just like he said in the damper rod and waaalaaa.... it was like a fairy came down and made my beloved KX500 into a totally different machine that was 1000 times smoother.....

I wish these R&D guys would listen t someone other than RC, MC, and these mx guys.....

I really think WP/KTM has listened that's why they have been at the top of enduro offroad for many years now---somehow the 4CS concept lost that all day in saddle over hard terrain logic plush offroad flow!!

I agree and I guess thats whats frustrating is they bring out these different machines and it works great but then do something like this... i understand it will probably take 5-6 years to dial it in but how painful

It would be interesting to see what R&D KTM/WP actually do with he 4CS forks.
I rode a 15 te300 on the weekend and it had the same problems my 14 had.

It also amazes me how many different versions of these forks there are yet how different they are. I can now understand how some guys like these forks stock, rode with a guy on the weekend who loved his forks. I later found out he was running his clickers 28 out!!! - yeah buddy I bet they feel just great....

Sounds like folks lower the oil levels in different areas and small changes make a big difference from my experience with the 4CS, however regardless of how you adjust the 4CS forks in their stock configuration, the physics of the design are poor due to under engineering it seems. That's my take but I am no expert on motorcycle suspensions. I do have a very solid understanding of fluid dynamics and hydraulic systems thanks to uncle Sam and direct experience with military aircraft.

bowser

that's where I was I had those controls all the way maxed out.

They made a kit like ours.

I just picked up my suspension from MX-Tech. They installed what they call their 4CS Asymmetrical system. High, mid and low speed compression adjustments and rebound. Looks like I have some reading to do. I will post up some updates and pictures when I have some time this weekend. Jeremy says they have sold over 1000 of these kits to various tuners and it has been one of their most successful products. I even got some pretty stickers to go with it

did you get the huck valves from Mx-tech also?

Yes the Huck valves are part of the 4CS system. It's $700...ouch. The huck valves in any fork are $400 alone. I have new base valves and new mid valves also. I cooking dinner for the kids right now and will post some pics later of the bling if time allows.

Ouch, sorry. Does the same thing the 4CS bottoming cone does, it's just physically bigger.

It really sounds like the bikes are not even close to "race ready" it the suspension is this poor.

Latest Stillwell Performance vid...

View: https://www.youtube.com/watch?v=FDRhvmoB9lE

It's bigger and actually works compared to the WP version that like to stick and hydro-lock. The WP bottoming valve was designed to dramatically slow down the last part of the stroke with an orifice that limits oil flow but the same limiting factor when reversed slows down the rebound stroke...Doooh! The new system eliminates the defective design. there are more poorly designed aspects of the original design that have been beat to death already. I have high hopes for the forks in the rebuilt stage. Time will tell the real story and if their not right. I'll be taking them back, you can count on that.

So has anybody used Stillwell or kreft?.... Kreft seems to just work on ktms?

I had that same revelation driving away with my reworked forks. That's why I joked about my 1k credit towards a future KTM bike... Like that will ever happen