Do Motorcycle Tires Expire? A Guide to Tire Date Codes

The alpha numerical coding on the sidewall of Dunlop motorcycle tires can be confusing. It is important to understand these codes to insure you are getting a safe tire that will work on your particular motorcycle. Dunlop tire codes utilize metric measurements. Metric sizing is the most widely used and has the most information. Simply put, the higher this number is, the taller the tire will be. In this case, the tire is 65 percent as tall as its width. If there are two letters after the aspect ratio, the first will be speed rating and the second will be tire construction. If there is only one letter or a dash – after the aspect ratio, then it indicates construction type and the speed rating will appear in the service description. The service description is a combination of the load index 81 and the speed rating H. All Dunlop tires also specify the date of manufacture on the sidewall.

Are Your New Motorcycle Tires Too Old?

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You want to ensure your motorcycle tires remain in excellent condition. Part of this maintenance involves understanding your motorcycle tire date codes.

Do you know that similar to milk and bread, motorcycle tires expire over time? Most people change the tire when it gets damaged or old. Every tire has a birth date i. At the time of manufacturing, all tires get stamped with their built date. Also, these tires have a projected shelf life. Even if you get the best dirt bike tires around, you need to know when they were manufactured, so you can replace them before anything bad happens. Fortunately, there is an easy trick for seeing when precisely the tire was manufactured, so you roughly know how long it will last.

All motorcycle tires have a date code right there on the rubber. For all motorcycle tires created after the year , the first two digits indicate the week of the year it was made while the last two digits indicate the year. For tires manufactured before , the digits read a bit differently. There are only three numbers, and they will only tell you the decade the tire was made rather than the specific year. This is why the United States Department of Transportation changes the rules in

Pirelli Motorcycle Tyre Guide 2018

A frequent question about tire maintenance concerns service life. How long will your tires last before you should replace them? The answer depends on different factors such as your driving style, the tread design of the tire, regional climate, road conditions, and how frequently the car is in use. Another factor is you, the driver. Just like the rest of the vehicle, you have an essential role in the care and maintenance of the tires on your wheels; they will last longer the better you look after them.

You’re also responsible for deciding when it’s time to replace worn tires with new tires.

Motorcycle Tires: Age Matters at AM. You ve Gotta Know the Date the Tire was BornBy Billy Edwards Tire aging on cars has received.

The U. Department of Transportation–DOT–dictates what information must be provided on the sidewall of any tire sold for road use in the United States. With a little detective work and an understanding of the DOT coding system, you can determine the age of any motorcycle tire. Locate the full DOT number on the sidewall of the tire. The number starts with “DOT” and is followed by 10 to 12 letters and numbers.

The full DOT number is only on the outside of the tire. The inside will have a shortened version with just a few letters or numbers. Note the last four digits of the DOT number.

Setting The Record Straight On Motorcycle Tire Age

Besides patricia morris, and the tire was. Fortunately, tire codes – guaranteed lowest prices on a. Did you want to mount on your tire warranty for five years after mile after a tire’s identification number. Car suv van motorcycle tires manufactured since after a plus.

Read the manufacturing date of your tires from the DOT code. Find out whether your tires are safe!

Worn tires can ruin your vehicle’s performance and even endanger you or your loved ones. It is recommended that you do a weekly inspection to check:. You are also advised to check your tire pressure twice a month. If in doubt, always ask for expert advice! Tires are durable and designed to withstand impacts, but they sometimes puncture. If you get a flat tire, it should be replaced by a professional mechanic. A Michelin Man symbol on the upper side of your tires means that they feature a tread wear indicator.

Similar to little bumps, these can be found at the bottom of the main grooves. Michelin strongly advises you to change your tires before reaching this point. Past this point, there is no guarantee that your tires will keep you safe or deliver grip and performance, particularly on wet surfaces. It is difficult to predict a tire’s lifespan because it bears no relation to its manufacturing date.

Tires that have never been used, or have only been used infrequently, may still show signs of aging. Many factors can affect their lifespan: weather conditions, storage and usage conditions, load, speed, tire pressure, maintenance, riding style, and so on.

Dunlop Motorcycle Tires Code

Manufacturer: Mitas 4. Country of origin: Slovenia 5. Load index: 73 kg 7. Production date:

To read the date code on motorcycle tires, you must find the 4-digit part of the DOT code on the sidewall of a tire. The first pair of numbers.

How old can motorcycle tires be and still be safe? This is a question that most motorcycle owners ask themselves. While most motorcycle tires are designed to last up to 5 years, many factors determine how long your tires will last. For instance, road hazards, improper inflation pressure, improper use of tires, overloading, tire chain damage, tire spinning, negligence, misuse, tire alteration, and improper or insufficient maintenance may cause tire damage. Having your tires inspected regularly by a professional is highly recommended.

For tires with five years of use, an annual inspection is a must. At almost 10 years of use, even with a tread that looks great, the tires should be replaced. Usually, the middle of your motorcycle tires have the most contact with the road, so will wear much faster.

Tire dating

Size may be indicated in inches, metric, or by letters alpha. The chart shows the approximate comparison of the different size indications. By subscribing you agree to our Privacy Policy. See Details.

Tyre Safety: 5 Year Rule. Tyres are considered to be “new” and fit for retail up to 5 years from the date of production. This is an industry standard based on the.

Do we care? We probably should because it could mean the difference between a safe, fun ride and spending time on the side of the road or worse. At the very least, we hope this article prompts you to check the age of your tires. At most, we hope it inspires you enough to swap out old tires for new if necessary. So how can you tell the age of your tires?

First, we should identify how to read a manufacture date code. DOT tire identification number.

Understanding Dunlop Tire Codes

Unfortunately, not every rider asks this question. In fact, most people assume that their bike tires are as good as car tires. First of all, you should check if your tires have tread.

Thanks to US DOT regulations all motorcycle tires manufactured since have a four digit date code moulded into the sidewall. It’s very.

The Website uses cookies. By continuing to use this website, you consent to our use of these cookies. Find out more. JavaScript seems to be disabled in your browser. You must have JavaScript enabled in your browser to utilize the functionality of this website. Much like a good beer, all tires are stamped with a Born On Date at time of manufacturing. Also like beer, tires have an expected shelf life and they both age very differently on an uncontrolled shelf versus in a temperature-controlled environment.

How to Tell When a Motorcycle Tire Was Made: Deciphering Tire Codes

Everything from the type of tire and the tread can affect its ability to stay on the road, and its age plays a role as well. The rule of thumb is to replace tires when they are 6 years old, even if they appear to be in good condition. This is because the rubber can develop dry rot and other structural damage that you may not be able to see. Tires are made of rubber, so every time you ride on the pavement, dirt or other surfaces, the friction erodes the material a bit.

Eventually, the tires can grow bald, meaning there is no tread, which may make riding dangerous.

absolutely – -that is why they are dated. And you can make it worse. Ultraviolet light from the sun and ozone (likely from something like an electric motor will.

One reason may be that m- motorcycle tires wear out much quicker than car tires — while a drive may rack up as much as 50, miles or more on car tires, we motorcyclists typically get 7, – 10, miles on our motorcycle tire. So for some, the motorcycle tire may not last long enough — from a chronological age standpoint — to worry about. Basically, exposure to oxygen, ultra violet light sun light , heat, and use all work to break down, wear out and harden the rubber compound used in the tires, whether the tire is on a bike or not.

How Old is Too Old? So how old is too old? Some say ten years, some say six years. Some car tire companies and most safety advocates go with six years. Unfortunately, tire aging information from the tire companies is hard to come by. Here the U. The code is a combination of numbers that identifies the manufacturing location, tire size, manufacturer’s code, and week and year the tire was manufactured. You can find the code on the sidewall of the tire, like the one pictured below.

To figure which week, divide by 4. It is the correct….

9 Investigates: Some experts say date on tire age code is very important


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