Rear toe alignment is difficult to measure too say the least , and if anything is tweaked it can be unreliable ...Polaris doesn't give a spec so that doesn't help
In my experience measuring several stock machines it averages around .300 - .5 inch ...always Toed in.
In general I think most all agree that Polaris sets them toed in on the rear

 

That’s my understanding as well but mine is toed in all on one side and pulling pretty hard to the right. And the difference in wheel base was really strange.

 

I would check that side for a bent trailing arm ....especially up wear it attaches to the frame. ...but it maybe within Pol factory spec ??

 

Me and my mechanic went over it with a fine tooth comb today and see nothing bent, doesn’t mean we couldn’t have missed something but we looked pretty good and he works on Rzrs for a living. Something else to note is the right side where the excessive toe exists measures 90” which is factory spec, the left side which has nearly 0 toe measured 90-7/16”. I just want it to not pull to the right lol

 

With adjustable rear radius rods you can get some Rear toe adjustment...maybe .250 ?
But not enough to fix your problem

 

Find an alignment shop and have them put it on the rack. That will let you make adjustments in real time to straighten your machine out.

 

has this thing had any major impacts???

 

No, never. Has pulled to the right since new but never really bothered me until they became street legal in NC. Pulling to the right for 8-10 miles at higher speeds is aggravating.

 

When I put my Commander on the alignment machine, I found the left rear towed out over an inch. It drove horrible over 50 mph. After the alignment, like a new machine. Found nothing bent or worn. Slotted the radius arm mounting holes for adjustment. Welded washers in new mounting position. Done deal. Same would apply here.

 

I was under the impression along with my mechanic and the guys at Shock Therapy that the toe cannot be adjusted with the radius rods on the XP due the the hub being mounted to the trailing arms. Seems making radius rods longer or shorter would only pull the entire assembly in or out as the pivot is the front of the trailing arm. To adjust the toe the pivot would need to be at the hub….at this point I’m confused.

 

I cannot imagine there is enough adjustment in the radius rods to effect toe-in and toe-out that much on the trailing arm.

I'll add that the XP seems super sensitive to road crown if that means anything.

 

I'll add that the XP seems super sensitive to road crown if that means anything.

That's an interesting point. The rear toe changes throughout the suspension travel...which is way more than any road vehicle, and the road crown may help exaggerate that from center crown to shoulder. Off road, you'd likely never notice.

Another thing to check could be the rear shock setup from side to side. Shock height/ride height can effect toe in the rear. If if your ride height/shock setting is a little different from side to side, it could effect the toe from side to side.

 

I made my front trailing arm mount adjustable, therefore adjusting toe was made easy. Would have to look at my turbo s and see what would need to be done. Most likely not too hard.

 

you have some good info and not so good
go to shop with latest alignment equipment a body shop works great if they have alignment equipment they can bend trailing arm for a perfect toe off the center line of the chassis, very important to use the center line of the chassis for toe setting
big difference in handling on acceleration and hard braking especially on hard pack and loose ground

 

I think the bends occur just behind the shock mount on the trailing arm. This bend is only 1/16” to 3/16” out in the last 6” of the arm. You can’t see this but can find it with a good straight edge. I already replaced one trailing arm for exactly the problems you are describing. Took me forever to find this but replacing it solved the problem. Now I have these bends on both trailing arms. Toe in 9/16”. No big accident just hard driving.

 

I put on new trailing arms and new radius rods. Rear toe still 9/16”. And lots of camber. This must be normal. Nothing else back there to cause problems. I don’t think shock mounts will effect this or the frame mount for trailing arms. Besides they look perfectly straight. My rear plate and medial bolts to radius rods are not bent. Double sheared to cage. Ride height set to 14” on 32” tires.

 

Just a heads up if you are setting the toe at zero in the. Front you are incorrect,Polaris and shock therapy say to set toe IN 1/4 inch !! If u are at zero that will make your ride drive pretty bad for sure!!not saying that's your whole problem but will definitely add to it

 

Have you tried the wrap a rope / string around your tires from about the middle or hub section. Tie off onto the lower a-arm and then wrap around the outside of the tires about midway down stick the string on one of lugs of the tire and wrap around that will give you a visual of if your tires are in line.