FOREWORDThismanualintroduces650NK(CF650model)maintenanceinformation,disassemblyprocedure,check&adjustmentmethods,troubleshootingandtechnicalspecifications.Thereareillustrations,drawingstoguideyouroperation.CFMOTOhasfinalexplanationstothismanualinformation.Withoutourpriorwrittenapproval,themanualcannotbedupliactedanddisclosedtothirdparty.CFMOTOreservesrightstomakeimprovementsandmodificationstotheproductswithoutpriornotice.Overhaulandmaintenanceshouldbedoneaccordingtoactualconditionofvehicle.ThismanualiscompiledaccordingtostandardGB9969.1-1998andGB/T19678-2005.INDEXClickonindexlinetogo.GeneralInformation1PeriodicMaintenance2FuelSystem(EFI)3CoolingSystem4EngineTopEnd5Clutch6EngineLubricationSystem7EngineRemoval/Installation8Crankshaft/Transmission9Wheels/Tires10FinalDrive11Brakes12Suspension13Steering14Frame15ElectricalSystem16AbbreviationsTableAampereibpound(s)ABDCafterbottomdeadcentermmeter(s)ACalternatingcurrentminminute(s)ATDCaftertopdeadcenterNnewton(s)BBDCbeforebottomdeadcenterPapascal(s)BDCbottomdeadcenterPShorsepowerBTDCbeforetopdeadcenterpsipound(s)persquareinchoCdegree(s)CelsiusrrevolutionDCdirectcurrentrpmrevolution(s)perminuteFfarad(s)TDCtopdeadcenteroFdegree(s)FahrenheitTIRtotalindicatorreadingftfoot,feetVvolt(s)ggram(s)Wwatt(s)hhour(s)Ωohm(s)lliter(s)Thismanualisdesignedprimarilyforusebywell-trainedmechanicsinaproperlyequippedworkshop.Sotheoperatorshouldhavebasicandnecessarymechanicalandelectricalknowledge,aswellasknowledgeofproperuseoftools.Ifyoudon’thaveenoughexperience,itisbettertoaskqualifiedoperatortowork.Inordertoperformtheworkefficientlyandtoavoidcostlymistakes,itisimportanttoreadthemanualthoroughly.Forthewarrantyperiod,itisrecommendedtorepairandmaintaincompletelyfollowingthisservicemanual.Anymaintenanceorrepairprocedurenotperformedinaccordancewiththismanualmayvoidwarranty.Togetthelongestlifeoutofyourvehicle.●Performperiodicmaintenancebyfollowingthismanual.Bealertforproblemsandnon-scheduledmaintenance.●UsegenuineCFMOTOpartsandpropertools.Therearenecessaryinformationaboutgenuinepartsandspecialtoolsinourpartscatalogueandspecialtoolslist.Followtheservicemanualproceduresstepbystep.Donottakeshortcuts.●Remembertokeepcompleterecordsofmain-tenanceandrepairwithdatesandanynewpartsinstalled.INTRODUCTIONHowtoUseThisManualWheneveryouseetheseWARINGorCAUTIONsymbols,heedtheinstructions.Alwaysfollowsafeoperatingandmaintenancepractices.WARNINGThiswarningsymbolidentifiesspecialinstructionsorprocedureswhich,ifnotcorrectlyfollowed,couldresultinpersonalinjuryorlossoflife.CAUTIONThiscautionsymbolidentifiesspecialinstructionsorprocedureswhich,ifnotstrictlyobserved,couldresultindamagetoordestructionofequipment.Thismanualcontainsfourmoresymbols(inadditiontoWARNINGandCAUTON)whichwillhelpyoudistinguishdifferenttypesofinformation.NOTE○Thisnotesymbolindicatespointsofparticularin-terestformoreefficientandconvenientoperation.●Indicatesaproceduralsteporworktobedone.○Indicatesaproceduralsub-steporhowtodothework.ItalsoprecedesthetextofNOTE.Indicatesaconditionalsteporwhatactiontotakebasedontheresultsoftextorinspection.!GENERALINFORMATION1-7GeneralInformationTableofContentsSafetyPrecautions....................................................................................................................1-2BeforeServicing..................................................................................................................1-4ModelIdentification.............................................................................................................1-9GeneralSpecifications........................................................................................................1-10UnitConvertionTable..........................................................................................................1-131-2GENERALINFORMATIONSafetyPrecautionsExhaustcontainstoxicingredients.Donotruntheengineinenclosedorpoorly-ventilatedareas.Theliquor(dilutesulfuricacid)inBatteryisstronglycorrosive;itmayburntheskinandblindtheeyeswhenitcontactsthem.Incaseofcontact,pleasewashitwithagreatdealofclearwaterimmediately,andseekmedicaltreatmentinhospital.Besides,pleasealsowashitbyagreatdealofclearwaterwhenitcontactstheclothes,foravoidingskinburn.TheBatteryandBatteryliquormustbestoredstrictlyoutofreachofchildren.Uniform(pilotuniformetc),cap,safetybootssuitablefortheoperationmustbeworn,andthesafetyarticlessuchasdustproofgoggles,dustproofrespiratorandglovesshallbewornforprotectionwhennecessary.Whentheenginejuststops,thetemperatureofengine,mufflerisstillhigh;pleasedonottouchthemwithbarehands,foravoidingburn.Pleasewearuniformwithlongsleevesaswellasgloveswhenmaintaining.Thecoolantispoisonous,pleasedonotdrinkit,donotletitcontacttheskin,eyesneitherclothes.Incaseitcontactstheskinorclothes,pleaserinseitimmediately.Whenitcontactstheeyes,pleasewashitthoroughlywithagreatdealofclearwaterimmediately,andseekmedicaltreatmentinhospital.Incasethecoolantisdrunkbymistake,pleasetrytothrowitup,andseekmedicaltreatmentimmediatelyaftergargling.Thecoolantmustbestoredst