ULTRA300XULTRA300LXJETSKI®WatercraftServiceManualDownloadedfromisatrademarkofKawasakiHeavyIndustries,Ltd.registeredinU.S.A.,Japan,Austria,Benelux,Sweden,Denmark,Switzerland,France,Canada,Finland,Norway,Greece,Italy,U.K.,Portugal,Thailand,andTaiwan.KAWASAKIJETSKI®isatrademarkofKawasakiHeavyIndustries,Ltd.registeredinAustralia.Thisquickreferenceguidewillassistyouinlocatingadesiredtopicorpro-cedure.•Bendthepagesbacktomatchtheblacktabofthedesiredchapternum-berwiththeblacktabontheedgeateachtableofcontentspage.Refertothesectionaltableofcontentsfortheexactpagestolocatethespe-cifictopicrequired.QuickReferenceGuideGeneralInformation1jPeriodicMaintenance2jFuelSystem(DFI)3jEngineLubricationSystem4jExhaustSystem5jEngineTopEnd6jEngineRemoval/Installation7jEngineBottomEnd8jCoolingandBilgeSystems9jDriveSystem10jPumpandImpeller11jSteering12jHull/EngineHood13jElectricalSystem14jStorage15jAppendix16jULTRA300XULTRA300LXJETSKI®WatercraftServiceManualAllrightsreserved.Nopartsofthispublicationmaybereproduced,storedinaretrievalsystem,ortransmittedinanyformorbyanymeans,electronicmechanicalphotocopying,recordingorotherwise,withoutthepriorwrittenpermissionofQualityAssuranceDivision/Motorcycle&EngineCompany/KawasakiHeavyIndustries,Ltd.,Japan.Noliabilitycanbeacceptedforanyinaccuraciesoromissionsinthispublication,althougheverypossiblecarehasbeentakentomakeitascompleteandaccurateaspossible.Therightisreservedtomakechangesatanytimewithoutpriornoticeandwithoutincurringanobligationtomakesuchchangestoproductsmanufacturedpreviously.SeeyourJETSKI®watercraftdealerforthelatestinformationonproductimprovementsincorporatedafterthispublication.Allinformationcontainedinthispublicationisbasedonthelatestproductinformationavailableatthetimeofpublication.Illustrationsandphotographsinthispublicationareintendedforreferenceuseonlyandmaynotdepictactualmodelcomponentparts.©2010KawasakiHeavyIndustries,Ltd.FirstEdition(0):Dec.29,2010LISTOFABBREVIATIONSAampere(s)KDSKawasakiDiagnosticSystemABDCafterbottomdeadcenterkm/hkilometersperhourACalternatingcurrentLliter(s)Ahamperehourlbpound(s)APSAcceleratorPositionSensorLCDLiquidCrystalDisplayATDCaftertopdeadcenterLEDLightEmissionDiodeBBDCbeforebottomdeadcenterLSILargeScaleIntegrationBDCbottomdeadcentermmeter(s)BTDCbeforetopdeadcenterminminute(s)°Cdegree(s)CelsiusmphmilesperhourcmHgcentimetersofmercuryNnewton(s)CPUCentralProcessingUnitO.D.OutsideDiametercuinCubicinch(s)ozounce(s)DCdirectcurrentPapascal(s)DFIDigitalFuelInjectionPShorsepowerECUElectronicControlUnitpsipound(s)persquareinchETVElectronicThrottleValveqtquart(s)Ffarad(s)rrevolution°Fdegree(s)Fahrenheitrpmrevolution(s)perminuteFPOFullPowerOperationssecond(s)ftfoot,feetSLOSmartLearningOperationggram(s)TDCtopdeadcentergalgallon(s)TIRtotalindicatorreadinghhour(s)TPSThrottlePositionSensorHPhorsepower(s)TVSTwinVorticesSeriesICIntegratedCircuitVvolt(s)in.inch(s)Wwatt(s)ISCIdleSpeedControlΩohm(s)COUNTRYANDAREACODESATAustriaDEGermanyAUAustraliaEUREuropeCACanadaGBUnitedKingdomCALCaliforniaUSUnitedStatesCHSwitzerlandWVTAWholeVehicleTypeApprovalMAINTENANCEANDADJUSTMENTSMaintenance,replacement,orrepairoftheemissioncontroldevicesandsystemsmaybeperformedbyanymarineSlenginerepairestablishmentorindividual.EMISSIONCONTROLINFORMATIONFuelInformationTHISENGINEISCERTIFIEDTOOPERATEONUNLEADEDGRADEGASOLINEONLY.Aminimumof90octane(US,CAModels),95octane(OtherthanUS,CAModels)oftheantiknockindexisrecommended.Theantiknockindexispostedonservicestationpumps.EmissionControlInformationToprotecttheenvironmentinwhichwealllive,Kawasakihasincorporatedanexhaustemis-sioncontrolsystemincompliancewithapplicableregulationsoftheUnitedStatesEnvironmentalProtectionAgencyandCaliforniaAirResourcesBoard.ExhaustEmissionControlSystemThissystemreducestheamountofpollutantsdischargedintotheatmospherebytheexhaustofthisengine.Thefuel,ignitionandexhaustsystemsofthisenginehavebeencarefullyde-signedandconstructedtoensureanefficientenginewithlowexhaustpollutantlevels.EvaporativeEmissionControlSystemTheevaporativeemissioncontrolsystemforthiswatercraftconsistsoflowpermeationfuelhoses.MaintenancePropermaintenanceandrepairarenecessarytoensurethatwatercraftwillcontinuetohavelowemissionlevels.ThisServiceManualcontainsthosemaintenanceandrepairrecommenda-tionsforthisengine.ThoseitemsidentifiedbythePeriodicMaintenanceChartarenecessarytoensurecompliancewiththeapplicablestandards.TamperingwithEmissionControlSystemProhibitedFederallawprohibitsthefollowingactsorthecausingthereof:(1)theremovalorrenderinginoperativebyanypersonotherthanforpurposesofmaintenance,repair,orreplacement,ofanydeviceorelementofdesignincorporatedintoanynewengineforthepurposesofemissioncontrolpriortoitssaleordeliverytotheultimatepurchaserorwhileitisinuse,or(2)theuseoftheengineaftersuchdeviceorelementofdesignhasbeenremovedorrenderedinoperativebyanyperson.Amongthoseactspresumedtoconstitutetamperingaretheactslistedbelow:Donottamperwiththeoriginalemissionrelatedparts.*FuelPump*SparkPlugs*FuelInjectors*ECU*Superchargerwithintercooler&relief-valvesForewordThismanualis