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CV BIND for DUMMIES

This is a discussion on CV BIND for DUMMIES within the Suspension forums, part of the Technical category; I own a 2011 50"er and want to lift it. I have read about the shitty axles on my machine and lots of talk about ...


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  #1  
Old January 20th, 2012, 05:30 PM
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CV BIND for DUMMIES

I own a 2011 50"er and want to lift it. I have read about the shitty axles on my machine and lots of talk about the cv's binding with lift kits. What I don't get is how you don't get cv bind with aftermarket axles? The way I see it is changing the axles won't change the angle of the cv's? Am I all wet or what?
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Old January 20th, 2012, 05:42 PM
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Aftermarket axles have bigger cv cups that allow for more angle. Racertech is the only vendor I know of that makes a lift that won't cause cv bind on these machines, I own a 11 S and had your same concerns. After lots of searching I decided to take the plunge and buy there lift. I havnt had any issues. I installed it and with my rzr jacked up at full droop is when you can check for bind, just rotate your tires while
It's jacked up, I don't have any issues and I have ordered aftermarket axles
And will replace when need be.


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Old January 20th, 2012, 05:49 PM
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Re: CV BIND for DUMMIES

So it's the cv size or design not so much the axle itself. I realize the stock axle is also very small in diameter as well.
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Old January 20th, 2012, 06:15 PM
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Your on the right track, axle size has nothing to do with binding, just the cv cup it self, yes the 2011's and up have smaller axles. Throttle control is your friend. Im running 30" zillas on mine now for a month, or two good rides, about 60 miles and have had no issues, I don't drive fast, mainly just technical trails and mud. I don't treat it like a submarine for sure (gotta brute for that). But I do have fun for sure. Just start looking at aftermarket axles now and keep them as a spare or just replace them as need be.


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Old January 20th, 2012, 06:28 PM
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Re: CV BIND for DUMMIES

The type and size of the CV and plunge depth and axle angle all play a part in it. It does not matter what lift kit you use other than the fact if you lift it to the point your cv`s bind ,you will have failure sooner rather than later.
It gets a little more complex though. If on a reg RZR,for example you put offset rims/bigger tires you actually increase the leverage on your shocks,thus decreasing your axle angle.
Now on a rsr s most people don't put offset rims on ,so your axle angle stays lower compared to a non s rzr. The longer the axle ,the LESS the axle angle.So , a 2inch lift on a reg rzr is more likely to bind than a 2 inch lift on a longer axle like on the S.
Wait theres more,depending on how heavy your rzr is (mud ,riders,extras etc.) will go along ways into determining the angle your cv`s/axles run at most of the time.Factor in also most rzr shock springs are prone to sag after a few months .
This would again nullify the lift kit as it would bring the axle angle back to original ride height.....
So it can be some what complex ,yet confusing when so many people claim so many different scenarios worked for them......
Long story short:
For a reg (50 in) rzr,use a racertech (or equivalent) 2 inch lift,highlifter springs,and for models built after 2010 Rhino axles and you will have a good reliable set up with much better offroad ability....................imo
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Old January 20th, 2012, 06:39 PM
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Agreed and much better explained than what I said!


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Old January 20th, 2012, 06:43 PM
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Re: CV BIND for DUMMIES

All very good info guys. Thank you
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