Biggest Tire on Stock Suspension - Polaris ATV Forum
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post #1 of 4 (permalink) Old 04-22-2018, 05:14 PM Thread Starter
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Biggest Tire on Stock Suspension

This is my first ATV. I have a 2018 Polaris Sportsman 450 H.O. What is the tallest tire I can run on a stock suspension. Any recommendations on tires would be helpful also. I just use it to go hunting and around our property. Thanks
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post #2 of 4 (permalink) Old 04-23-2018, 12:49 AM
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28" would be as big as you could go. But for your use 26" is what I would go with. Now when you go with taller tires the width gets wider. 9" on the front is going to be typical. So you'll need a set of aftermarket rims also. This is the best option so the new tires will clear the tie-rod ends. Some tires to look at are: Maxxis Bighorn, Bighorn 2.0, + zillas; Pitbull 2.5gb; ITP Terracross; STI Black Diamond XTR; Kenda Bearclaw HTR; GBC Grimreapers.
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2011 Sportsman® 800 EFI
GURU front brush guard
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Warn RT 3.0 winch w/amsteel synthetic line
Viper aluminum haus fairlead
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Ricochet full frame skid plate
ITP T-7 beadlock 14" w/OMF inner rim guards
Maxxis big horn 2.0 26x9 front
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added 7 zerks
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NGK Iridium's (2,500 miles on Champion's and they looked great!)
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2018 Sportsman® 570-T
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post #3 of 4 (permalink) Old 04-23-2018, 02:41 AM
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For Hunting and Trail Riding, I would go with 26x9x12 Front and 26x11x12 Rear.

You'll want 12" wheels with 26" tires for more rubber = more sidewall protection.

If you really want 28" wheels then you'll have to get 14" wheels to get the same sidewall protection.

I might put my 26" setup from my 570 to my 450 and get 28" for the 570 considering how the stock tires on the 450 couldn't handle the mud this weekend.
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2017 Polaris Sportsman 570 EPS (Indy Red)
  • Polaris HD 3,500 lbs Winch
  • ATV-GURU Python Front Brush Guard
  • ATV-GURU Python Rear Brush Guard
  • Auxbeam 12" 72W LED Light Bar
  • SYLVANIA ZEVO 3157 Red LED Bulb
  • Low Beam HID Kit (6,000K, 35Watts)
  • Polaris Sportsman Handguards
  • Kenda Bear Claw 26" (HTR 26x9x12 Fronts & 26x11x12 Rears)
  • ITP SS212 Wheels (Black)
  • Ricochet 6-Piece Complete Aluminum Skid Plate
  • West Industries Classis Standard ATV Cargo Box Seat (120-0020)
  • QSC Clutch Kit from RVS PERFORMANCE
  • Direction2 Fender Flares Kit
  • Kimplex Foot Peg/Rest Kit
  • Kolpin Ratcheting Rhino Grip - 21540
2017 Polaris Sportsman 450 H.O. (Velocity Blue)
  • ATV-GURU Python Front Brush Guard
  • ATV-GURU Python Rear Brush Guard
  • Auxbeam 12" 72W LED Light Bar
  • SYLVANIA ZEVO 3157 Red LED Bulb
  • Low Beam HID Kit (6,000K, 35Watts)
  • Polaris Sportsman Handguards
2018 Polaris Outlaw 110 EFI (Avalanche Grey/Lime Squeeze)
  • Trail Tech 742-A00 - Digital Tachometer plus Hour Meter
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post #4 of 4 (permalink) Old 02-26-2019, 08:25 PM
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I ended up putting the 26x9x12 Front and 26x11x12 Rear (ITP 212 Wheels with Kenda Bearclaw HTR Tires) on the 450 and 28x9x14 Front and 28x11x14 Rear on the 570. Both fit fine with no modifications.
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2017 Polaris Sportsman 570 EPS (Indy Red)
  • Polaris HD 3,500 lbs Winch
  • ATV-GURU Python Front Brush Guard
  • ATV-GURU Python Rear Brush Guard
  • Auxbeam 12" 72W LED Light Bar
  • SYLVANIA ZEVO 3157 Red LED Bulb
  • Low Beam HID Kit (6,000K, 35Watts)
  • Polaris Sportsman Handguards
  • Kenda Bear Claw 26" (HTR 26x9x12 Fronts & 26x11x12 Rears)
  • ITP SS212 Wheels (Black)
  • Ricochet 6-Piece Complete Aluminum Skid Plate
  • West Industries Classis Standard ATV Cargo Box Seat (120-0020)
  • QSC Clutch Kit from RVS PERFORMANCE
  • Direction2 Fender Flares Kit
  • Kimplex Foot Peg/Rest Kit
  • Kolpin Ratcheting Rhino Grip - 21540
2017 Polaris Sportsman 450 H.O. (Velocity Blue)
  • ATV-GURU Python Front Brush Guard
  • ATV-GURU Python Rear Brush Guard
  • Auxbeam 12" 72W LED Light Bar
  • SYLVANIA ZEVO 3157 Red LED Bulb
  • Low Beam HID Kit (6,000K, 35Watts)
  • Polaris Sportsman Handguards
2018 Polaris Outlaw 110 EFI (Avalanche Grey/Lime Squeeze)
  • Trail Tech 742-A00 - Digital Tachometer plus Hour Meter
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