Yokohama India - Basic Tyre Knowledge
Yokohama India - Basic Tyre Knowledge
❶Nominal section width (mm)
This refers to the width of the tire excluding design and lettering on the sidewall, etc. *Does not include rim guard.
❷Aspect ratio (series,%)
This figure indicates the ratio of a tire’s heigh.
Aspect ratio(%)= Tire height÷tire width×100
❸Construction code
“R” stands for radial structure.
❹Nominal rim diameter (inches)
Refers to the diameter of the wheel rim suitable for the tire. The term “tire’s inner diameter” is also used.
❺Load Index (LI)
An index expressing the maximum load permitted for a tire under established conditions.
❻Speed symbol
This indicates the maximum permissible speed in symbols under established conditions.
❼Speed category (ZR: over240km/h)
❽Nominal outside diameter (inches)
❾Nominal section width (inches)
❿Load Index: Single/Dual
⓫C: Commercial vehicle
Complies with ETRTO(European tire regulations).
⓬P: Passenger car tire
Complies with TRA(North American tire regulations).
⓭LT: Light Truck
Complies with JATMA(Japanese tire regulations) or TRA(North American tire regulations).
Speed symbol
The speed symbol refers to the maximum speed capability of a tire. It is only valid for a tire that is properly inflated and loaded within the limits of the assigned load index.
Sidewall Information
❶YOKOHAMA: Manufacture’s name
❷ADVAN Sport: Brand Name
❸205/55R16 91W: Tire Size Designation
❹V105: Tread Pattern Name
❺Country of Origin
❻Identification Serial Number
❼MAX LOAD, MAX PRESS
❽Safety Warning
Asymmetrical tread pattern and specified tire rotation
Tires with a directional pattern need to be mounted according to the indications on the sidewalls to ensure maximum performance. Make sure you take note of the directional pattern when mounting the tire.
Unidirectional tread pattern
Tread pattern of V701
Asymmetrical tread pattern SIDE FACING OUTWARDS (INWARDS)
Tread pattern of V552
Sidewalls indicate whether they should face inwards or outwards.
It is vital to take note of the arrow when rotating tires to ensure that the tires are mounted in the correct direction.
Asymmetrical tread pattern and specified tire rotation
Tires with a directional pattern need to be mounted according to the indications on the sidewalls to ensure maximum performance. Make sure you take note of the directional pattern when mounting the tire.
Unidirectional tread pattern
Tread pattern of V701
Asymmetrical tread pattern SIDE FACING OUTWARDS (INWARDS)
Tread pattern of V552
Sidewalls indicate whether they should face inwards or outwards.
It is vital to take note of the arrow when rotating tires to ensure that the tires are mounted in the correct direction.
OE approval mark by automakers
Some tires may include a mark of approval from a specific automaker on the sidewall. There is no difference in basic performance if the tires are of the same size and pattern, irrespective of whether the mark is evident or not.
☆＝BMW Specification
MO is a Mercedes-Benz approved mark.
N-1 and N-0 are Porsche approved mark.