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Question answered Over 5 months ago
Answer: The original tire sizes on the 2017 Arctic Cat Trail Unlimited are 25x8-12 front and 25x10-12 rear. These are the sizes that the designers and engineers at Arctic Cat tested and determined to perform best for most riders in most conditions.
You may change to any sizes you want. In most cases, going up 1" in diameter or width doesn't cause too many problems. You will need to measure the clearances to your fenders and within the steering system with the front wheels fully turned to both left and the right.
Larger tires may require a lift kit, or wheel spacers, or both.