What does 71 h mean on motorcycle tire?

Alpha Tire Codes. It seems to fit with a standard alpha system, except for the last two figures: 71 H . Here, 71 indicates the load index (see Load Index Chart ). The “H” is a speed rating.

What does the H mean on motorcycle tires?

The H speed index means the tire is rated at a maximum of 130 mph. Load and speed index maximums are very important for you to consider when purchasing tires. The higher the load number, the more weight the tire can handle.

What does 74 h mean on a motorcycle tire?

Motorcycle Tire Load Rating

The next series of numbers and letters (77H) will be the speed rating and load index of the tire. This code is presented the same for either Metric or Alpha/Numeric tires. … The letters (H) represent the speed rating of the tire. In this case, H means a top speed of 130 miles per hour.

What do letters mean on motorcycle tires?

The M stands for a tire that meant to be used on a motorcycle, the following letter is the width code, and the number (such as 90 in this case) still stands for the aspect ratio. In this example, 17 stays the same and represents the rim size. … On the front tires: MH90 is 80/90 metric and 2.50/2.75 inches.

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Can I put wider tires on my motorcycle?

If wider tires are approved for a motorcycle, it is usually permissible to increase by only one size designation. … In some cases, putting a wider tire onto the same wheel will actually give you less “rubber on the road”, by changing the profile and reducing the contact patch.

What does M c mean on tires?

3) WHEEL DIAMETER

The “Z” indicates the speed rating of the tyre, which in this case means it is rated above 240kph/149mph. The “R” denotes that the tyre is of radial type construction. The “17″ denotes that the tyre is 17 inches in diameter whilst “M/C” means the tyre is for a motorcycle.

Are wider motorcycle tires better?

Wide tires provide a smoother ride. They are more capable of absorbing the bumps on the road. Wider tires are great because they provide help with power transfer and help handle stronger motorcycle engines.

Can you put tubeless tires on a tubed motorcycle?

It’s ok to run an inner tube in a tubeless tire. If you have wheels with spokes then an inner tube is the only way to keep the air from leaking out through the spokes.

Do motorcycle tires have an expiration date?

Motorcycle tires wear out from use, but they can also expire from age. … In fact, most tire companies put the “sell by” date somewhere out around five years from the date of manufacture. So unless you don’t expect to wear the tire out within five years from the date that’s stamped on the sidewall, don’t sweat it.

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What is aspect ratio on a motorcycle tire?

The aspect ratio is the height of the sidewall expressed as a percentage of the width. Thus, this tire has a side wall height of 90 percent times 130 mm or 117 mm. The next item you’ll see is the rim size expressed in inches. … It’s easy to see this tire is made to be mounted on a 16-inch wheel.

Where is the manufacture date on a motorcycle tire?

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.

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