CSC TT250 - Wheel and Tire Inspection; Wheel and Tire Troubleshooting; Fixing Flat Tires

TT250Owner’s andServiceManual
www.CSCMotorcycles.com
62
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WheelandTireInspection
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Checkifthetireairpressureisatthespecifiedvalue(32psifrontandpsirear).Inspectthevalvestems
forlocknutinstallation,locknutsecurity,andvalvestemcondition.Donotoperatethemotorcycle
withoutthevalvestemcapinplace.Inspectthetirecondition.Warning!Replaceanytirewithtread
thatisworndowntothetreadwearindicator(orifthetreadremainingislessthan2mm),ifthetire
exhibitscupping,orifthetirehasanyotherdefe cts.
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Inspectthe
spokesonboththefrontandtherearwheel.Ifanyspokesareloose,tightenthemand
checkforwheeltrueness.Ifanyspokesaremissing,replacethem.Theentirewheelshouldberelaced
atthenextavailableopportunity.
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Checktherimsfordents.Iftherimisdented,itshould
bereplaced.
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Whenthewheelsareremovedfromthemotorcycle,checkthegreaseseals,thewheelbearings,and
othercomponents.Ifthegreasesealsarecutortorn,theyshouldbereplaced.If thewheelbearing
innerracesareloose,grittywhenrotated,ornoisy,replacethebear ing. 
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Place
thewheelsonatruingstandandinspectthemforrunoutandovality.Ifeitherexceeds1.0mm,
truethewheelbyadjustingspoke tension.
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Balancethewheelandtireonadynamicbalancer.
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WheelandTireTroubleshooting
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Item Symptom Cause VehicleEffect MaintenanceAction
Wheeland
Tire
Vibration Deformation,outof balance
condition,worntire,wheel
truenessorovalityoutsideof
speclimits,wornbearing,
motorcycleload
Drift,
handlebar
shake,
vibration
Truewheel,checkbearings,check
inflationpressure,checktire
condition,balancetireandwheel,
checkforproperloadingof
motorcycle
Tire Premature
wear,
cupping
Outofbalance,misalignedrear
wheel,wornbearing,underor
overinflated.
Prematuretire
wear
Truewheel,checkbearings,check
inflationpressure,balancetire
andwheel,checkforproper
loadingofmotorcycle
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FixingFlatTires
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Ifyourmotorcyclehasaflattire,checkforanyobviouscausesontheoutsideofthetire(itwillmake
findingtheleakinthetubeeasier).
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Priortoliftingthebiketogetthewheelwiththeflattireofftheground,loosentheaxle
bolts(just
loosenthem,donotremovethem).
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RemovethewheelwiththeflattireinaccordancewiththeinstructionsfordoingsointhisOwner’sand
ServiceManual.Placethewheelonitsside,withthebrakediskfacingdown.Removethevalvecapand