# Quick Answer: What Do Numbers On ATV Tires Mean?

## Are ATV and UTV tires the same?

While an ATV/UTV tire size looks similar to regular tire sizes, they are not quite the same.

ATV/UTV tires have a bias ply or a radial construction..

## What does the 265 70r17 mean?

265. This number indicates that your tire has a width of 265 millimeters. 70. This number means that your tire has an aspect ratio of 70%. In other words, your tire’s sidewall height (from the edge of the rim to the tire’s tread) is 70% of the width.

## What do the 3 numbers mean on tire size?

B: TIRE WIDTH The three-digit number following the letter is the tire’s width (from side to side, looking at the tire head on) in millimeters. … In other words, it’s sidewall height divided by tire width. In this example, the aspect ratio is 65, meaning the sidewall is 65 percent as high as the tire is wide.

## Will rain hurt my ATV?

So will rain hurt my ATV? No, rain will not spoil the ATV because it’s built to withstand such situations. But the water or flood must not be higher than a few inches. Also, the wheels must be visible at the surface to prevent water from getting into the engine.

## How many years do ATV tires last?

ATV tires typically last from just a few hundred to 4-5000 miles or more. How long they last depend on what surface you ride on, tire style, rubber hardness and quality, age, and a range of other factors. Expect 1-2 years if you ride a lot on the road, or 5-10 years if you keep off the road.

## Will bigger tires affect gear ratio?

Taller than stock tires alter the final drive ratio of your 4×4 at the tires and effectively decrease the power you can put to the ground. The bigger the tires are, the more noticeable the change. The added weight and wind resistance also tax the engine.

## How do you read ATV tire sizes?

How do I read ATV Tire Sizes?1st Number = The overall height of the tire. (ex. 25×8-12 tire is 25″ tall.)2nd Number = The overall width of the tire. ( ex. 25×8-12 tire is 8″ wide)3rd Number = The rim diameter. ( ex. 25×8-12 tires are designed to mount on a 12″ rim)

## Can you change tire size on ATV?

If your ATV is under 500cc, it’s recommended that you only go up one tire size without modifications. ATV’s that are over 500cc can sometimes handle a tire that is two sizes larger than stock. Lift Kits – When you want to go with even larger ATV tires, you will need to start modifying your machine.

## Can I use 235 tires instead of 225?

Obviously, you will need a certain kind of tire depending on how you use your vehicle. Due to this, a 235 tire might not be better than a 225 tire, or vice versa, but depending on your situation, one tire might serve you better than the other.

## Can wrong size tires damage transmission?

Increasing Tire Size Will Reduce Your Vehicle’s Effective Gear Ratio. The increased size causes the tires to rotate slower to cover the same amount of ground. … If you are running an automotive transmission this can cause some serious strain depending on the current gear ratio if you choose not to regear your system.

## Can you put different width tires on same rim?

Because tires have flexible sidewalls, a single tire size will fit on a variety of rim widths. … A tire mounted on a narrow rim would be “narrower” than if the same size tire was mounted on a wide rim.

## What are ATV tire sizes?

ATV tire explaination: ATV tires are listed in a set of three numbers, generally separated by dashes (25-10-12), or by an ‘x’ (25x10x12) or a combination of the two: 1st Number = The overall tire height when inflated (Ex. 25×10-12 is 25″ tall). 2nd Number = The overall tire width when inflated (Ex.

## How can I increase my ATV power?

How to Make an ATV Have More PowerInstall an aftermarket air filter to replace the stock air filter. The engine takes in air and uses it to help burn fuel. … Use smaller tires. Tires with 10-inch and 12-inch wheel diameters allow for increased horsepower, compared to 20-inch wheels or bigger. … Install a big bore kit.

## What do the numbers and letters mean on tire size?

The two-digit number following the slash in the tire size description is the tire’s aspect ratio. It is the sidewall height expressed as a percentage of the tire’s width. If the markings say 255/55R18, it means that the height of the sidewall is 255 multiplied by .55, or 140 millimeters.

## Why are ATV tires smaller in the front?

The smaller-width tires on the front of a side by side have less surface contact due to their smaller size. This means there is less tire touching the ground at any given time. Because of this, the UTV becomes easier to steer. Because the steering effort is reduced, the side by side becomes easier to maneuver.

## Can I put smaller tires on my ATV?

Generally, most manufacturers like Yamaha and Polaris ATVs leave enough clearance to increase tire sizes by one size at least and maybe even two. You want to ensure that the new tires don’t rub on the exhaust, shocks or plastic parts.

## Can I use 225 tires instead of 215?

Unless you’re exploring the limits of the car’s performance, most drivers probably wouldn’t notice a difference between a 225 and a 215, all else being equal. If the outer circumference is a little different, the speedo may be a tiny bit off.

## Will bigger tires make ATV faster?

As long as the ATV has the engine power required to keep up, a bigger tire will increase the bike’s top speed, at least in theory. As speed increases, so will wind resistance and drag. Smaller and medium-sized ATVs will not always have the adequate horsepower to increase speed over a certain point.

## What is the difference between 225 and 265 tires?

What’s the difference between 225 and 265 tires? … The first numbers is the distance across the tire. The 265 would be 40 mm wider than the 225. Be careful to make sure the diameter of the tire is the same with the different size tires.

## What does the T stand for on tires?

temporary spareA “P” stands for p-metric, which is a tire used primarily on passenger cars. An “LT” indicates a light-truck tire. A “T” means it’s a temporary spare. Some tires get a “Z” or an “F” attached to the radial indicator, denoting a Z-rated tire (see service description below) or a run-flat tire.