Tire pressures
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20 psi is way to high. I run mine at 12 psi in all four corners. If you are running fast and hard, I would maybe go 16 psi in all four. 20 will give you a much rougher ride as you will lose flex in the sidewalls, and will wear the center of the tread, just like running high pressures in your car tires. You would also lose traction for the same reason. Your contact patch will be smaller and they won't wrap around rocks and such. You will also be more susceptible to punctures. Kind of the same principle as a balloon, just as a crude example.
Thanks for the advice I’m gonna try that, 12 psi is way too low for me. Tires almost feel like there’s nothing in them.
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300 Posts
I run 12 all around as well.
I do go up to 15 psi when we aren't on the trails, and hitting higher speeds.
But like Bob said, traction, and added suspension comes with less .
I do go up to 15 psi when we aren't on the trails, and hitting higher speeds.
But like Bob said, traction, and added suspension comes with less .
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195 Posts
20psi is crazy high. Don’t think I’ve ran a tire over 12psi on any of my SxS. Just don’t see the benefit of running any higher.
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Yea definitely a sidewalk issue. Factory calls for 17 in the rear. Carnivores aren’t a good fit for me. Switching to all terrains when these wear out.
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300 Posts
Maxxis Rampages look good too
I like those, I’m gearing more towards a BFG K02. I’d love to have more water/mud trails here to support the carnivore/rampage.
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See I'm North Carolina/VA/ WV
So we ride hatfeild McCoy trails often.
Bad ass man I wish we had stuff like that here
The two Maxxis tires have minimal load ratings for a machine this heavy. According to the Maxxis website, the 32" Carnivore is rated for a maximum of 617 lbs. per tire. That would give you a total of 2,469 lbs total weight for your KRX, including passengers and gear. The 32" Rampage has an even lower weight rating, at 606 lbs. per tire, for a total rating of 2424 lbs. The KRX weighs in just under 1,900 lbs. Add 2 passengers at 180 lbs. each (I'm being nice here 
) and you are at 2,260 lbs. Add in your spare tire, 60 lbs, cooler 40 lbs, and any other accessories you've added and you are at the absolute max rating for the Maxxis tires. They are pretty light, but that comes at a cost. My BFG KM3's are around 6 lbs. heavier per tire, but have a weight rating of over 1,100 lbs. per tire. That's 4,400 lbs capacity! I can run them at 10 psi, fully loaded and not have to worry about them.
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) and you are at 2,260 lbs. Add in your spare tire, 60 lbs, cooler 40 lbs, and any other accessories you've added and you are at the absolute max rating for the Maxxis tires. They are pretty light, but that comes at a cost. My BFG KM3's are around 6 lbs. heavier per tire, but have a weight rating of over 1,100 lbs. per tire. That's 4,400 lbs capacity! I can run them at 10 psi, fully loaded and not have to worry about them.
6 - 8 front 10 rear. better traction and softer ride and can still drift around corners.
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27 Posts
These are big differences in opinion. As I’m wrestling the same question can you add riding conditions to couple with those numbers?
Tough to find a perfect pressure and never will. Ride deep mud, loose rock, exposed rock and hard pack in a day with not one being a higher percentage than another.
Minimum is 10 and max is 18 so far. May have to try 6-8 although concerned about sidewall support
I stuck with the 12-17 seems to work great in all conditions. I’ve gone through about 4 feet of mud with water pouring in from the doors and passed through with no issues. I also went on some dunes and didn’t have a problem climbing anything. Yesterday I went through some very rocky terrain and again worked out great. I think that is the sweet spot
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