Porsche 718 Spyder, Руководство пользователя

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221
Tires and Wheels
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
Reading the inscription on radial tires
Fig. 194: Inscription on radial tires
A - Tire size
Example: P 265/40ZR18 (101Y)
– P - The tire is designed for Passenger vehicle.
This information is not included on all tires.
– 265 - Indication of tire width in mm
– 40 - Indication of tire height to tire width ratio in
percent
– ZR - Belt type code letter for radial
– 18 - Indication of rim diameter in inches
– 101 - Load capacity coefficient
– Y - Speed code letter
– XL (Extra Load) - Tire with increased load rating
B - TIN (Tire Identification Number)
Example: DOT xx xx xxxx xxxx
– The DOT symbol indicates that the tires comply
with the requirements of the US Department of
Transportation and provides information about:
– first two-digit code indicates the manufacturer’s
identification mark.
– second two-digit code indicates the tire size.
– third four-digit code indicates the tire type code.
– fourth four-digit code indicates the date of
manufacture. If, for example, the last four
numbers read 0204, the tire was produced in the
2nd week of 2004.
C - Tire ply composition and material
The number of layers in the tread and sidewalls and
their material composition.
D - Maximum permissible inflation pressure
The maximum permissible cold inflation pressure to
which a tire can be inflated.
e
Do not exceed the permissible inflation pressure.
E - Maximum load rating
The maximum load in kilograms and pounds can be
carried by the tire. If you replace tires always use a
tire that has the same maximum load rating as the
factory installed tire.
F - Radial
The identification indicates if the tire has radial struc-
ture.
G - Term of tubeless or tube tire
Identification for tubeless tires.
21_718_GT4_Spyder_BAL_21_WKD 982 02 21 21_KW36.20-24.21_en_US.book Seite 221 Freitag, 24. Juli 2020 11:31 11