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Guts: FOX FLOAT X EVOL Shock Diagram


(12/6/2012)

FOX FLOAT X EVOL shock diagram

Ever wonder what exactly was inside the FOX FLOAT X EVOL shocks that grace the front suspension of the RR and Tucker Hibbert-edition 2013 Arctic Cat snowmobiles?

Me too.

When I was at FOX Midwest a couple weeks ago, there was a poster that spelled it all out. Below are more easily readable portions of that artwork.

Question for anyone reading this who has EVOL X shocks on their ProCross Cat: Have you gone beyond changing the air pressure in the main and EVOL chambers, to the next step of revalving? If yes, your thoughts on the result?

Likewise, have you found compression and rebound adjustments that you're most happy with?

FYI: Arctic Cat will soon release a video detailing the ease by which people can adjust these shocks. I'll post it as soon as it's available from them.

 

FOX FLOAT X EVOL shock diagram

 

FOX FLOAT X EVOL shock diagram



Comments (9):

Shawn says:
12/6/2012 12:06:00 PM

Thats quite the shock for sure. Cant wait to see the video.
Derek says:
12/7/2012 8:54:00 AM

These are amazing shocks, should anyone have any questions from a third party source on tuning/revalving, etc. for these shocks, I strongly recommend HygearSuspension out of Lansing, NY. They have even come up with a new linkage system for the ProCross Chassis even and their results have been good. The companies owner is testing non-stop and the whole staff over there has exceptional knowledge of their products, Hygear may have even been one of the first aftermarket companies to offer an additional air chamber for the Fox Floats. You can learn a lot from their staff and they can get your machine working really well.

www.hygearsuspension.com

http://hygearsuspension.com/ArcticCat_Link_Kit.html
taperk600 says:
12/8/2012 9:35:00 AM

These are great shocks for sure. I'm looking forward to using them on the ProCross after 3 seasons of playing with them on the 500 SP chassis. One thing to note on the above diagrams... Cat does not use the DSC (dual speed compensator) for compression adjustments like what is shown here. So 2013 RR buyers (and I believe the racers even) will only have a single compression adjustment not the high and low speed. Even so, these are shocks that when you understand how they work and get them dialed in, you can fine tune the front end to suit you perfectly.

Agree on HyGear too. Great guys with lots of knowledge!
John Sandberg says:
12/8/2012 10:45:00 AM

Thanks Derek and Taper, good info.
gerard143 says:
12/9/2012 10:27:00 PM

No dsc man I gotta check
taperk600 says:
12/10/2012 6:20:00 AM

Sorry Gerard, but I do believe, and parts fiche confirms, single speed compression adjustment even on the racer.....unless the fiche are wrong. Let us know for 100% what's on your 2013 600 when you check......
MN Cat says:
12/10/2012 9:11:00 AM

Yep LSC (Low Speed Compression)adjustment only on the RR's. DSC (Dual Speed Compression) adjuster can be installed easily and helps for fine tuning the high speed side of the shock. The DSC cartridge is a little over $100.00/Each for the part.

DSC's can also be installed in the rear skid shocks for additional tuning. Very nice feature to have.

Keep in mind the DSC can have a tendency of making the shock act slightly stiffer/firmer than the LSC alone.
Steven K LePinnet says:
12/10/2012 10:28:00 PM

I agree on HyGear too, they can make a good thing really great. The tech there has an insane amount of suspension " know how". It's nice having them in my back yard.
Greg M says:
4/29/2013 11:39:00 AM

I have had these shocks on my 2012 and was kinda pissed when the dsc valve wasn't on my RR .. Capitol motorsports in winnipeg added them and the rides amazing ..especially with the RR rear skid .. thanks for the info and on adding it to the rear skid i think that's gonna be a great ad on this summer...I have the rebound really slow with lsc really soft and hsc mid way .. with 100psi and 70 psi set in the air chambers ..

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