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I have a 2018 Sportsman 570 SP Hunters Edition. I bought the quad new in August of 2018 and put around 20 miles on it with no issues. In early January of this year the quad was acting as if it had a bad battery even though it had been plugged into a tender. I checked the battery and it tested well so I took it to the dealership for warranty service. They had it for almost a month. They determined the quad had a bad EPS unit and swapped it out. Then they told me that the wire for the EPS needed to be updated as they could not program the new unit with the old wire. After the wire came in dealership told me they were still having troubles programming. After another week and a half they told me that they had consulted several times with engineers from Polaris and found a workaround and that the quad was ready for pickup. I contacted Polaris to inquire about the warranty being extended as it was in the shop for a month. They extended the 6 month factory warranty for an additional 3 months. I picked the quad up and the dealership said that the 2018 SP editions were known to have issue a with the EPS units but believed that they had fixed mine. I had it back for around a month and took it out a couple times for short rides and everything seemed fine. I parked it again for a few days and when I went to start it same issues (acting like the battery is no good and won’t start, when I jump start no power steering). Took it back to dealership and waiting to hear what the diagnosis is this time as well as their plan to fix this permanently. Just wondering if anyone else has had issues similar to mine or can give me some advice. Thanks in advance!

View File 2017-2019 sportsman 450/570 with eps factory service manual This is the factory service manual for the 2017-2019 factory service manual for the sportsman 450/570 with electronic power steering Submitter colin james Submitted 09/06/2018 Category Polaris ATV

Hi Anyone else with a 2017 sportsman with EPS, experiencing hard lock up with the CVT clutches. As compared to my friends 2006 Polaris 500 HO they seem to be a lot smoother engagement. Any ideas or is this normal for this model.

I have a 2012 Suzuki king quad 750 with EPS I do believe the power steering is not working, I have a plow on it and have to pull very hard on the bars to move the front tires when not moving!! When Moving it is OK, have only been around a Polaris and sitting in the garage I could move the bars with my pinky finger only. Not the case on my king quad. Fuse is Good, EPS light comes on when started but shuts off after few seconds, I believe this is normal I have a black and a green wire coming out of bottom of the handlebars, under the headlight, Not sure when theses are they are not hooked up to anything Would love any insight on where to check or what to do Next Matt