How to read tire date codes on motorcycles to see how old the tires are — in just 5 seconds. The tire DOT code is four digits giving you first the week number and then the year in two digits of manufacture. You don’t have to do any math. Just remember there are 52 weeks in the year. Make it 50 for simpler mental arithmetic. I got lucky and it was week 1. Previous to , they had another format. But if you’re buying a motorcycle with tyres that old, then you’re going to know they’re old
How to Read Date Code on Motorcycle Tires
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.
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Doncaster Motorcycles are able to supply the riders of Doncaster with the tyres that they require for their motorcycling needs. Whether you want the well known brands such as Pirelli, Michelin and Bridgestone, a more reasonably priced tyre to suit your budget or a race tyre for those track days we can supply them all. Tyres can perish over time so you will also find DOT markings on the tyre, these indicate the date of manufacture of the tyre. This will be a four-digit code: the first two digits indicate the week of the year it was made , and the last two digits indicate the two digit year it was made.
So a tyre with a date code of was made in the eighth week of Inflation:- Maintain the correct pressure in your tyres. Under or over inflation can have a negative impact on handling and wear. If in doubt keep it original:- If you are unsure what tyres to purchase it is best practice to replace the old ones with new ones of the same specification.
Break them in gently:- Ride at an easy pace for the first Miles preferably in the dry and make sure there are bends in both directions to break in the side walls as well. Please contact Doncaster Motorcycles in Doncaster on or complete our contact form if you have any questions about your tyres. And remember if in doubt ASK.
Determining Tyre Age: DOT Code Explained
A bicycle tire is a tire that fits on the wheel of a bicycle or similar vehicle. They may also be used on wheelchairs and handcycles , especially for racing. Bicycle tires provide an important source of suspension , generate the lateral forces necessary for balancing and turning , and generate the longitudinal forces necessary for propulsion and braking.
Although the use of a pneumatic tire greatly reduces rolling resistance compared to the use of a rigid wheel or solid tire, the tires are still typically the second largest source, after air drag , of power consumption on a level road. Bicycle tires are also used on unicycles , tricycles , quadracycles , tandem bicycles , bicycle trailers , and trailer bikes.
The first bicycle “tires” were iron bands on the wooden wheels of velocipedes.
Most tires sold in United States or Europe will have a DOT / Department of Transportation date code. In Europe, the European Tyre and Rim.
Side Car. Ridesharing, transportation, and car facts, articles, and news. Any motorcycle rider knows that taking good care of it is going to help you stay safe while cruising out there. Your tires are worn and need replacement when you judge by the measurable physical wear. Once the open tread gets to the symbols, it means that the tire is at maximum wear. Riding on a slippery surface is going to lead to risky hydroplaning.
Continuous straight-line highway driving is going to wear the centerline of the tire, but the outer edges may still look good. A worn out tire has great scalping, especially if you also sense other vibration. Take a look at the suspensions as well- they can be a significant cause of the poor tire condition.
How to Tell the Age of Motorcycle Tires
Checking and changing your motorcycle tires is one of the most important routine maintenance tasks a bike owner can do. Your tires can be damaged in many ways. For a bike, the process is simple. Grab a penny and put it into the tire tread.
In this case, the tire would have been made in June To determine the age, you can subtract the manufacture date from the current date.
When it comes to tires that still have a bunch of tread life, how old is too old? I know that too many of us do not pay enough attention to our tires. How often do any of us get down on the ground and really inspect that tread? Not often enough. What about the age of your tires , though? They can look like they have plenty of life left and still fail you at a critical cold-rain, coming-in-too-hot moment.
Tire Date Code and How to Read It
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motorcycle tire manufacturers and Motorcycle Industry Council staff and is intended ber begins with the letters “DOT” and ends with a four-digit date code.
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 means the week, and the second pair means the year. So, if you are wanting to determine the age of a tire with the code , you should read its manufacture date as the 35 th week of This is the standard form for every date code on motorcycle tires made since The aging process depends on the environment and usage conditions, type of rubber, purpose of the tire, etc.
But, make sure to remember a tire can be stored in a shop for 2 years or even more. The date code on motorcycle tires will help you choose a set that will last for as long as possible. Before , the date code was written in three digits, and was considered logical, as no tire would serve for longer than a decade. The first pair meant the number of the week, the third number meant the year of the decade.
It was much easier with the tires that were manufactured in the s, though. Aside from the 3-digit code, there was a small triangle placed on the sidewall. The study was conducted because of a series of crashes due to tread separation in the early s, which made many major companies, including Ford, recall a number of their tires.
Does the age of a tyre matter?
The motorcycle standards are set to ensure your bike is safe to ride. These standards cover the design, construction and legal modifications. This is a guide to keeping your motorcycle in a safe and legal condition.
Tyres show signs of ageing. It is difficult to predict a tyre’s lifespan because it bears no relation to its manufacturing date. Tyres that have never been used, or have.
Summer tyres. Winter tyres. All-season tyres. Bridgestone Tyres. Continental Tyres. Firestone Tyres. Your vehicle. Viewed products.
Motorcycle Tires: How Old Is Too Old?
If you continue to ride long enough, you will need to replace your motorcycle tires at some point. What concerns some riders is the question “When is the right time to replace the tires and with which ones? That could lead to highly dangerous riding situations.
Motorcycle Tires: Age Matters at AM. You ve Gotta Know the Date the Tire was BornBy Billy Edwards Tire aging on cars has received.
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 Now when you buy street bike tires online , there is a much greater chance you will know exactly what year it was made in.
Most bike tires will only last a few years.
Motorcycle Tire School
Getting the most from your motorcycle tires requires proper care and maintenance. Get the most up-to-date information in this section. Always keep the motorcycle manufacturer’s recommended air pressure in both tires. This is an important requirement for tire safety and mileage. On some motorcycles, the recommended front and rear tire pressures will be different.
TECHNICAL /. THE MOTORCYCLE TYRE. Tyre markings. 2. 4. 7. 3. 5. 6. 1. 1 MANUFACTURER NAME. 4 PRODUCTION DATE i.e. Brand name and.
Owners should contact the dealer where they bought the tyres to arrange a free inspection and replacement of affected tyres. So far this year, there have been 26 motorcycle recalls plus four motorcycle product recalls: Harley saddlebags, a Honda Monkey bike rack, the helmet and these tyres. There were no other product recalls. Even though manufacturers and importers usually contact owners when a recall is issued, the bike may have been sold privately to a rider unknown to the company.
If you believe there is an endemic problem with your bike that should be recalled, contact the ACCC on Yet another Avon recall! The Roadrider spontaneously suffered a split right down the middle of the rear tyre for no apparent reason.
EP0294153A1 – Motorcycle tyres – Google Patents
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.
Motorcycle Tire Company is a leading distributor of ATV and motorcycle tires and accessories in Spring Specials and Dating Call Sales Rep for Details.
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. Use the following guidelines to assess the point of maximum service life for your tires. If you still have questions beyond this article, try consulting a professional at your local tire dealer; they’ll be more than happy to help. Continental builds and designs our tires to provide thousands of kilometers of excellent service.
Achieve maximum benefit from your tires by taking care to avoid damage from improper use that may shorten their lifespan.