CSC TT250 - Carburetor Maintenance

TT250Owner’s andServiceManual
www.CSCMotorcycles.com
78
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fullyclosed,whichistosaythattherockersshouldbeinthe
fulluppositionandthevalvegapisfullyopenfortheboth
valves.
Loosenthethreadedadjustorenoughtoallowinsertionofa
0.07mmfeelergageintothevalvegap,asshownhere.
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Handtightenthe
adjustorsothatitissnugagainstthe
feeler.Youdon’twanttoovertightentheadjustororyouwill
starttoopenthevalveandyouradjustmentwillbe
incorrect.Justmakeitsnugsothatifyoutrytopullthe
feelerout,youfeelslightresistance.
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Tightenthe10mm
adjustorlocknut.
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Repeattheaboveprocessfortheothervalve.Manuallyrotatetheenginetwocompleterevolutions,
aligntheTmarkandthescribelineagain,andchecktheclearanceagain.
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Assemblyisthereverseofdisassembly.
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CSCrecommendsinspectingthevalvegapat500miles,andadjusting
thevalvesevery5000miles.If
themotorcycleisriddenaggressivelyorathighrpmforextendedperiods,youmayneedtoincrease
thevalveadjustmentfrequency.
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Carburetor
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ThissectionoftheTT250Owner’sandServiceManualaddressesTT250carburetormaintenance.If
yourmotorcycleisrunningroughandtheproblem
isrelatedtothecarburetor,orifyourmotorcycle
hasnotbeenoperatedforalongtimeandyoudidnottreatthefuelpriortostorage,thefuelwill
creategumsthatcanclogthecarburetorjetsandaffectengineperformance.Thissectionwillshow
youhowtoremove,
disassemble,clean,reassemble,andreinstallyourcarburetor.