Rear fox evol r sag! grrrr

[MTSnowKing]

I have Fox evol R shocks on my 2013 163'' and ive noticed there is alot of sag ( like 4'') seems like there is not as much travel in the shocks like there should be? any imput on my this is or how to fix it is greatly appreciated

 

[philsummers21]

How much air in the main and evol chambers. Have you tried putting more air in?

 

[MTSnowKing]

i set it at 100 main and 145 evol now, but yes i have tried putting more air iin the main and evol chamber it never reduced the sag at all. i have these shocks on the stock skid

 

[ak]

i set it at 100 main and 145 evol now, but yes i have tried putting more air iin the main and evol chamber it never reduced the sag at all. i have these shocks on the stock skid

The suspension will sag, it's suppose to sag some it's how it works. If you have to much ski pressure it will make it worse, how's your center shock set?

Also is the sled on flat ground? Are you putting air in the shock with no weight on it?

I run 80 main 125 in the evol. I weigh 150 ready to ride.

 

[ghost rider]

Evol

We run 150 main and 175 small evol chamber. Just a bit of sag. Weight with gear is around 200lb +
Luv em!

 

[MTSnowKing]

We run 150 main and 175 small evol chamber. Just a bit of sag. Weight with gear is around 200lb +
Luv em!

Do you have the shocks on the stock skid? how many inches of sag? my sled sags 4-5'' i just feel its alot

 

[philsummers21]

4-5" is a little much for my liking. I like it to sag about 2-3" at the bumper while standing on it. I have the timbersled but still run the evol R. Id assume you could just keep pumping it up till you get to the sag heigth of your liking. you might have to run quite a bit of air in those shocks on a stock skid. I know on a KMOD they run a tremendous amount of air. If i remeber right it was in the 200s. Every suspension is different so you may have to have 150-175psi or more to get where you like it.

 

[geo]

Don't compare sag required for the stock suspention to anything else.

A good read on setting up this skid is an old Holz install and set-up quide. Not exactly the same because of limiter strap length but for rear sag it gives good info. It requires 3 to 3.5" of sag with rider sitting on sled and measuring off the running boards near the rear sissor mount.
3.5" there is a lot at the rear bumper.

How does it work when moving (the real focus point).

 

[MTSnowKing]

i have tried putting more air in the suspension and it did not seem to help the amount of sag at all, the shock works great but the sled looks like a low rider. im wondering of maybe the shock could be messed up?

 

[wjl]

N2 charge low?

 

[ditch1000]

i have tried putting more air in the suspension and it did not seem to help the amount of sag at all, the shock works great but the sled looks like a low rider. im wondering of maybe the shock could be messed up?

Check your track tension... If your track is too loose, the suspension will have excess sag. The sag may not even be related to your shocks; I learned that lesson the hard way....

 

[wellfed777]

HOLTZ- 2011-2012 rmk pro fox shock settings

rear Fvol R shock 135psi main chamber 175 psi Evol chamber
set rebound clicker at 9 clicks out

for plusher ride 120 psi main chamber 160 psi Evol chamber
rebound 11 clicks out

i've been playing with 145 main 180 Evol i'm 250 RTR
hope this helps

 

[gman086]

i set it at 100 main and 145 evol now, but yes i have tried putting more air iin the main and evol chamber it never reduced the sag at all. i have these shocks on the stock skid

That's low. I run 140 main 170 evol and I go 200 lbs fully geared up, 7 clicks out on rebound and feel this is really REALLY dialed (stock suspension). The key to avoiding excess sag is get more air in the evol. Like others have said tho, there is supposed to be a good amount of sag - the suspension WILL extend in pow or when running the bumps. I blew by some M8 riders yesterday on a whooped out trail like they were standing still - LOVE the Evol R's!

Have FUN!

G MAN

 

[rydningen]

As metioned above, check that the track is touching the ground in the front of the rear susp. If it doesnt there will be alot of sag.

Put a wider front end on a 13 pro which made the ride height just a little higher in the front, resulted in alot of sag. When we lifted the sled in the back we noticed that the track was in the air on level ground.

Sled works just fine while riding, but planning to put the susp in the lower mounting hole for the rear susp.

 

[Reg2view]

i set it at 100 main and 145 evol now, but yes i have tried putting more air iin the main and evol chamber it never reduced the sag at all. i have these shocks on the stock skid

Given the prior comments on track tension and front skid preload/ski shock preload (front of skid touching first), you are way below Carl's recommended starting point - 160 evol - 135 main, rebound 9 clicks. Start there if you haven't (it's on their setup sheet, if you have it). I'm sure you know to fill the evol first, skid completely unsprung. Bear in mind, too, that the rear skid aired up with the sled dry will sag more once you get snow on the boards and tunnel - assuming you are in the deep, of course , and the wetter the snow, the more air you might want, and is dependent on what else you carry on your tunnel. I have your setup, I'm 200lbs geared, and if I ran that air with a snow load and fuel caddy I'd be a low boy. Best of luck, experiment with the pressures, only change front or rear one at a time, not both, a few lbs makes a difference.

 

[Reg2view]

Check your track tension... If your track is too loose, the suspension will have excess sag. The sag may not even be related to your shocks; I learned that lesson the hard way....

Great reminder for everyone.

 

[tmberro]

I have Fox evol R shocks on my 2013 163'' and ive noticed there is alot of sag ( like 4'') seems like there is not as much travel in the shocks like there should be? any imput on my this is or how to fix it is greatly appreciated

What a-arms/shocks are you running?

 

[MTSnowKing]

ill try and put some pics on here but i have put more air in the shock both evol and main chamber and it did not help the sag at all! so frustrated. i have not touched the front shock at all could that be the issue?

 

[MTSnowKing]

the front shock on the rear skid to be specific

 

[827revdog]

not to be a smart *** but are you flipping the lever on the pump hose after its tight on the valve? i sold a sled to a guy and he called about the shock being wacked. he was filling it without flipping the lever and all he filled was the hose to 150psi ,not the shock.