PIONEERINGSINCE1903REPAIRMANUAL2019FS450Art.no.3403089enHusqvarna®MOTORCYCLESINTRODUCTIONReadthisrepairmanualcarefullyandthoroughlybeforebeginningwork.Thevehiclewillonlybeabletomeetthedemandsplacedonitifthespecifiedserviceworkisperformedregularlyandproperly.Thisrepairmanualwaswrittentocorrespondtothelateststateofthismodelseries.Wereservetherighttomakechangesintheinterestoftechnicaladvancementwithoutupdatingthisrepairmanualatthesametime.Weshallnotprovideadescriptionofgeneralworkshopmethods.Likewise,safetyrulesthatapplyinaworkshoparenotspecifiedhere.Itisassumedthattherepairworkwillbeperformedbyafullytrainedmechanic.Allspecificationsarenon-binding.HusqvarnaMotorcyclesGmbHspecificallyreservestherighttomodifyordeletetechnicalspecifications,prices,colors,forms,materials,services,designs,equipment,etc.,withoutpriornoticeandwithoutspecifyingreasons,toadaptthesetolocalconditions,aswellastostopproductionofaparticularmodelwithoutpriornotice.Husqvarnaacceptsnoliabilityfordeliveryoptions,deviationsfromfiguresanddescriptions,aswellasmisprintsandothererrors.Themodelsportrayedpartlycontainspecialequipmentthatdoesnotbelongtotheregularscopeofsupply.©2018HusqvarnaMotorcyclesGmbH,MattighofenAustriaAllrightsreservedReproduction,eveninpart,aswellascopyingofallkinds,ispermittedonlywiththeexpresswrittenpermissionofthecopyrightowner.REG.NO.121006061HusqvarnaMotorcyclesGmbHStallhofnerstraBe35230Mattighofen,AustriaThisdocumentisvalidforthefollowingmodels:FS450(F2303S0)I111111111111111111111111111111111111111111IIIIIIIIIIII3403089en07/2018TABLEOFCONTENTS234562MEANSOFREPRESENTATION........................71.1Symbolsused.......................................71.2Formatsused........................................7SAFETYADVICE...............................................82.1RepairManual.......................................82.2Safetyadvice........................................82.3Degreesofriskandsymbols................82.4Workrules.............................................8IMPORTANTNOTES.........................................93.1Manufacturerandimpliedwarranty......93.2Fuel,auxiliarysubstances.....................93.3Spareparts,accessories......................93.4Figures..................................................9SERIALNUMBERS..........................................104.1Vehicleidentificationnumber..............104.2Typelabel............................................104.3Enginenumber....................................104.4Forkpartnumber................................104.5Shockabsorberarticlenumber..........11MOTORCYCLE................................................125.1Raisingthemotorcyclewithaliftstand...................................................125.2Removingthemotorcyclefromtheliftstand..............................................125.3Startingthevehicle.............................125.4Startingthemotorcycletocheckthefunction...............................................13FORK,TRIPLECLAMP...................................14786.1AirsuspensionAER48.......................1496.2Checkingthebasicsettingofthefork......................................................146.3Adjustingtheforkairpressure............156.4Adjustingthecompressiondampingofthefork............................................166.5Adjustingtherebounddampingofthefork................................................166.6Bleedingtheforklegs.........................176.7Cleaningthedustbootsoftheforklegs.....................................................176.8Removingtheforklegs.......................186.9Installingtheforklegs.........................196.10Removingtheforkprotector...............196.11Installingtheforkprotector.................206.12Servicingthefork................................206.13Disassemblingtheforklegs................216.14Disassemblingtheaircartridge..........256.156.166.176.186.196.206.216.22Disassemblingtheshockabsorbercartridge..............................................26Checkingtheforklegs........................28Assemblingtheshockabsorbercartridge..............................................29Assemblingtheaircartridge...............31Assemblingtheforklegs....................33Lubricatingthesteeringheadbearing................................................39Removingthelowertripleclamp........40Installingthelowertripleclamp..........416.23Checkingsteeringheadbearingplay.....................................................436.24Changingthesteeringheadbearing................................................446.25Adjustingsteeringheadbearingplay.....................................................45HANDLEBAR,CONTROLS..............................467.1Handlebarposition..............................467.2Adjustingthehandlebarposition........467.3Adjustingthebasicpositionoftheclutchlever..........................................477.4Checkingtherubbergrips..................477.5Checkingthrottlecablerouting..........487.6Checkingthrottlecableplay...............487.7Adjustingthrottlecableplay...............497.8Adjustingthe