2008 Mazda MX 5 Miata Owners Manual

MX-5_8X49-EA-07F_Edition2Page361

Monday,June25200711:20AM

Blackplate(361,1)

CustomerInformationandReportingSafetyDefects

UniformTireQualityGradingSystem(UTQGS)

ThisinformationrelatestothetiregradingsystemdevelopedbytheU.S.National

HighwayTrafficSafetyAdministrationforgradingtiresbytreadwear,traction,and

temperatureperformance.

qTreadWear

Thetreadweargradeisacomparativeratingbasedonthewearrateofthetirewhentested

undercontrolledconditionsonaspecifiedgovernmenttestcourse.

Forexample,atiregraded150wouldwearone-and-a-halftimesaswellonthegovernment

courseasatiregraded100.

Therelativeperformanceoftiresdependsupontheactualconditionsoftheiruse,however,

andmaydepartsignificantlyfromthenormbecauseofvariationsindrivinghabits,service

practicesanddifferencesinroadcharacteristicsandclimate.

qTraction-AA,A,B,C

Thetractiongrades,fromhighesttolowest,areAA,A,B,andC.Thesegradesrepresent

thetire'sabilitytostoponwetpavementasmeasuredundercontrolledconditionson

specifiedgovernmenttestsurfacesofasphaltandconcrete.AtiremarkedCmayhavepoor

tractionperformance.

WARNING

Thetractiongradeassignedtothistireisbasedonbraking(straightahead)traction

testsanddoesnotincludeaccelerationcornering(turning),hydroplaning,orpeak

tractioncharacteristics.

qTemperature-A,B,C

ThetemperaturegradesA(thehighest),B,andC,representthetire'sresistancetothe

generationofheatanditsabilitytodissipateheatwhentestedundercontrolledconditions

onaspecifiedindoorlaboratorytestwheel.

Sustainedhightemperaturecancausethematerialofthetiretodegenerateandreducetire

life,andexcessivetemperaturescanleadtosuddentirefailure.

GradeCcorrespondstoalevelofperformancewhichallpassengervehicletiresmustmeet

undertheFederalMotorVehicleSafetyStandardNo.109.GradesBandArepresent

higherlevelsofperformanceonthelaboratorytestwheelthantheminimumrequiredby

law.

9-21

FormNo.8X49-EA-07F

Product Specification

Categories	Mazda Manuals, Mazda MX-5 Miata Manuals
Model Year	2008
Download File	Please Enter the Security Characters Shown Below. Letters are Case Sensitive. Your download link will appear upon completing this step. - 458 pages
Document File Type	PDF
Copyright	Attribution Non-commercial

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2008 Mazda MX 5 Miata Owners Manual SKU UPC Model

Anthony Cappucci on Jun 19, 2014. 2008 MX-5 Owner's Manual

Great to have a copy of this electronically for my 2008 PRHT MX-5.