2008 MX-5 Miata Automobile Owner's Manual

Black plate (368,1)
70
“70” is the aspect ratio. This two-digit number indicates the tir e's ratio of height to width.
D
“D” is the tire construction symbol. D indicates “diagonal ply construction”.
16
“16” is the wheel rim diameter in inches.
90
“90” is the Load Index. This two-or three-digit number indicates how much weight each
tire can support.
M
“M” is the speed rating. The speed rating denotes the maximum speed for which the use of
the tire is rated.
Letter Rating Speed Rating
M 81 mph
9-28
Customer Information and Reporting Safety Defects
Tire Information (U.S.A.)
MX-5_8X49-EA-07F_Edition2 Page368
Monday, June 25 2007 11:20 AM
Form No.8X49-EA-07F