How to prevent Tyre damage

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Tire Damage

Riding on damaged tires is dangerous. A damaged tire can suddenly fail causing serious personal injury or death. Have your tires regularly inspected by your local dealer for damage.

Spotting Damaged Tires

  • After striking anything unusual in the roadway, ask your local dealer to demount the tire and inspect it for damage. A tire may not have visible signs of damage on the tire surface. Yet, the tire may suddenly fail without warning, a day, a week, or even months later.
  • Inspect your tires for cuts, cracks, splits or bruises in the tread and sidewall areas. Bumps or bulges may indicate a separation within the tire body. Have your tire inspected by a qualified tire service person. It may be necessary to have it removed from the wheel for a complete inspection.
  • Inspect your tires for adequate tread depth. When the tire is worn to the built-in indicators at 1/32nd inch (0.8 millimeters) or less tread groove depth, or the tire cord or fabric is exposed, the tire is dangerously worn and must be replaced immediately.
  • Inspect your tires for uneven wear. Wear on one side of the tread or flat spots in the tread may indicate a problem with the tire or vehicle. Consult your local dealer.
  • Inspect your rims also. If you have a bent or cracked rim, it must be replaced.

Minimum Tread Depth

Excessively worn tires are more susceptible to penetrations and road hazards. Always remove a tire from service once the wear reaches the tread wear indicator bars (indicating 1/32 of an inch of tread depth) located in the grooves of the tire.

Tire Repairs

Riding on an improperly repaired tire is dangerous. An improper repair can cause further damage to the tire. It may suddenly fail, causing serious personal injury or death. To be safe, go to your local dealer for proper tire repairs.

Before having a tire repaired, tell your local dealer if you have used an aerosol fixer to inflate/ seal the tire. Aerosol fixers could contain a highly volatile gas. Always remove the valve core outdoors, away from sources of excessive heat, flame, or sparks and completely deflate the tire before removing it from the rim for repair.

  • Never repair a tire with less than 1/32nd inch (0.8 millimeters) tread remaining. At this tread depth, the tire is worn out and must be replaced.
  • Never repair a tire with a puncture larger than 1/4 inch (6.4 millimeters) in diameter. Such tires cannot be properly repaired and must be replaced.
  • Repairs of all tires (radial and non-radial) must be of the plug and inside patch type. Using plugs alone on any type of tire is not a safe repair.
  • Never repair a tire with a puncture or other damage outside the tread area. Such tires cannot be properly repaired and must be replaced.
  • Any tire repair done without removing the tire from the rim is improper.
  • Tubes, like tires, should be repaired only by a qualified tire service person.
  • Never use a tube as a substitute for a proper repair.

A tire’s speed rating is void if the tire is repaired, retreaded, damaged or abused, or otherwise altered from its original condition. Thereafter, it should be treated as a non-speed-rated tire.

Speed should not exceed 50 mph (80kph) in the first 24 hours after a repair is made and the repaired tire should never be used at speeds above 80 mph (128 kph).

Removing and Replacing Tires on Rims (Tire Mounting)

Always stand well clear of any tire mounting operation. This is especially important when the service operator inflates the tire. If the tire has been improperly mounted, it may burst with explosive force causing serious personal injury or death.

Removing and replacing tires on rims can be dangerous. Attempting to mount tires with improper tools or procedures may result in a tire explosion causing serious personal injury or death. This is a job for your local dealer or other qualified tire service location only.

Serious personal injury or death can result from:

  1. Failure to select the proper tire and rim. The tire must match the width and diameter requirements of the rim. For example, when mounting 16-inch diameter tires, use only 16-inch diameter rims.
  2. Failure to inspect both the tire and rim. The rim must be free of cracks, dents, chips, and rust. The tire must be free of bead damage, cuts, and punctures.
  3. Exceeding the maximum bead seating pressure. The tire service person must never inflate a tire beyond 40 pounds per square inch (psi)(276kPa) to seat the beads. Be absolutely certain beads are fully seated before adjusting inflation pressure to the level recommended for vehicle operation.

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