Technical Service Bullentins

Technical Service Bulletins are a feature of Yokohama's commitment to customer service. These bulletins are issued on a periodic basis in order to keep our customers current on new information, proper treatment, care and development of Yokohama products.

Bentley Tire Replacement  11/19/07
Bentley Continental GT & Flying Spur "B1" Tire Replacing "B".

Bead Seating Pressure  11/15/07
Bead seating pressures, passenger and light truck tires.

Nitrogen Inflation  11/15/07
Nitrogen tire inflation services for passenger and light truck tires.

New Part Number "50706" For the 425/65R22.5 MY507A  5/23/07
In an effort to help assure correct application and service for MY507A tires, Yokohama has adopted two part numbers and tire branding to clearly define and distinguish tires for drive and trailer positions from those for steer positions or all positions.

Yokohama ADVAN Sport Tire Replacement for Bentley Continental GT & Flying Spur  2/22/07
Please be aware that when the time comes to replace Bentley tires it is important to install tires that have the same capabilities as the Yokohama ADVAN original equipment tires.

Vehicle Manufacturer and Tire Industry Contacts  9/28/06
Following are some useful customer service telephone numbers.

Corporate Environmental Affairs Policy  09-12-06
Yokohama Tire Corporation believes in preserving the environment and earth’s resources. It aims to accomplish efficient and effective use of materials and resources through the concept of Reduce, Reuse, and Recycle.

Geolandar M/T+ Tire Mixing Recommendations  08-25-04
In an effort to help you achieve maximum benefit from your tires, we are providing the following recommendations for tire mixing as it relates to the Geolandar M/T+.

AVS Sport Run Flat Sizes Tire Service Guidelines  08-19-03
AVS Sport tires in some sizes include special technology to allow the tire to operate at reduced speeds and distances with zero inflation pressure.

Tire Registration    02-11-03
The purpose of tire registration is to enable the tire manufacturer to contact you directly in the event of a recall. While a recall is unlikely, it's important to make sure your tires are properly registered.

Tire Balance, Vehicle Ride & Vibration  01-28-03
Proper tire mounting, balancing and installation are critical to attaining a smooth vehicle ride. Vehicle vibration and a suspected problem tire may actually be due to an improperly balanced tire and wheel assembly or related mechanical condition of the vehicle.

Match Mounting  01-28-03
To facilitate proper balancing, Yokohama places red and yellow marks on the sidewalls of its tires to enable the best possible match-mounting of the tire/wheel assembly.

Tire Bead Lubricants  01-28-03
Preferred materials are animal soaps and vegetable oil soaps. These materials will have no adverse affect on tires or rims.

Tire Storage Recommendations  11-21-02
The storage of tires requires particular care. If tires are not stored properly, not only will there be deterioration in their appearance, there may be a loss in performance and compound integrity.

P Metric to LT Conversions  07-03-02
Original equipment P Metric tires are sometimes replaced with LT or Flotation sizes. If such a replacement is requested, it is important to ensure both the inflation pressure and load are sufficient for the vehicle and service involved.




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