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I put a power commander 5 on my 2016 outlander 570 xmr with an hmf slip on. Does anyone have a good tune for this setup?

My 2012 Polaris Sportsman 400 runs great until I ride it for about 30 minuted and it starts stalling on me. It will start again after a few minutes then sputter and stall when I ride it again. I let it cool and then is will start up again. Any ideas on what could cause this?

Howdy,
I'm looking at a 2015 Ace 570 trying to extend my years on a ranch. How well do these things run continuously at an idle while trailing cows down the road? Does anyone else trail with these machines and will I have problems overheating?
Right now I ride a 2017 Honda Rancher, but due to a shoulder surgery awhile back it really plays heck with me when I have to really boonie crash the crap out of it. We go anywhere the cows go! How well does the Ace hold up to severe abuse over rocks, trees and severe hills?
Thanks for you time,
Allan

I have a problem with my 2005 sportsman 700 efi. While riding, it keeps losing power like it's totally shutting down, everything on the dash shuts off then it comes back to life and runs perfect. It was having this issue when I would turn left, but it corrected itself. It then would have the battery symbol flash, get low enough on power to run like crap and start cutting in and out, then suddenly run perfect and no more battery icon. I replaced the stator and voltage regulator. Then I took it on a test ride and it ran perfectly for about 10 minutes, but the headlights would cut out momentary, then it started to cut out a little, then a lot, then die, restart, die, run for a bit... you get the idea. The gas gauge has been cutting in and out for a long time, but it always ran fine.
Also, the 4 wheel drive has been engaging in and out lately even though the switch is off.
Chasing ghosts is getting old, I just ordered a used wiring harness, but I'm not sure if it will fix it even after all the time it will take to switch it.
I looked at getting a OTB T-BAP, but it's not about losing power IN the engine, it's losing power to the WHOLE bike.

Guy's I have a 1997 Polaris Sportsman 400L and for some reason the left front wheel keeps locking up. I have dismantled both front calipers and cleaned the pistons, removed the Brake master cylinder, cleaned it out, checked the gaskets, put it together and flushed the brake lines but it seems to build pressure in the system and only the left front wheel locks. I bleed the left front brake caliper and all is good for a week or so and then pressure builds back up and the wheel again locks up. The ATV only has 475 miles any suggestions? I'm stumped. Next stop is the Polaris dealer and I do not want to take it If I can fix it.