Harley-Davidson FL/FX Service Manual - 1978/2 to 1984

Oct 25, 2026

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Service and repair manual for Harley-Davidson FL/FX models with 1200/1340cc 4-speed configurations, covering the 1978/2 to 1984 model years. Provides quick reference structure by numbered sections and subjects, with page numbering tied to section and page order. Includes preparation for service guidance, safety warnings about flammable fuel systems, use of genuine replacement parts, and product references for equivalent tools and instruments, plus applicable procedure notes.

LanguageEnglish

CategoryTechnology

FormatPDF

Pages410

Reading Time17 h 13 min

AccessFree to download

How to Use Your Service Manual

Preparation for Service

Foreword

Service Bulletins

Use Genuine Replacement Parts

Product References

# SERVICE MANUAL FL/FX models 1200/1340cc 4-Speed19781/2 to 1984 тмронтант нотст НапауОаиблоп тоЮгєусМз єопЮогЕоаШаррБсаЫзИЗТьбиаоАгУвМсюБаНЪуБгапбаёзand USA.Environmental Protaction Agancy regulations afleetihe on the date af manufacture. ТотвпшпШоввГеУу овроповЫШуапб втвъюоапдюоБе єогИо рыТогпзлоеНЛв юооапБ ЮаТthe procedures,Bpeilieations and servlice instruetiens in this manual aro foiowed. АлувьЬвШиБоп,аНогаПюпогвЩитвоотйЮюпвувАтапйпоНв єопго оотропапЧв оизбеоfactory spocifieations may be prohibited by law. Harley-Dwidson,ine. 1978/2 TO 1984FL/FX1200/1340cc4-SPEED # SERVICEMANUAL The informafion in this manual applies to the1978%and later FL/FX 1200/1340ce 4-Speedmodels manufactured after January 1,1978 eCOPYRIGHT 1983HARLEY-DAVIDSON,INCALL RIGHTS RESERVEDPART NO.99482—84 HO-4M-9/93 PRODUCT 1 CHASSIS 2 ENGINE 3 FUEL SYSTEM 4 | ELECTRIC
5
STARTER | | | --- | --- | 6 DRIVE TRANSMISSION 7 ELECTRICAL8 READERS COMMENTS The Harley-Davidson Technleal Communications Department maintains a continuous effort toimprove the quality and usefulness of its publications.To do this eflectively we need user feedback-your citical evaluation of this manual. Please comment on this manuaf's completeness,accuracy,organization,usability andreadability. Did you find errors in this manual? GuTHE阻 Howcan this manual be improved? Oeeupatio Nam Dealershlo Department Zip City_ State Clip out and mall to: 1978%84 Technical Communications Department,Hariey-Davidson,Iine.P.0.Box 653Mwaukee,W153201 FL/FX This serice and repair manual has boonproparod with two purpo8es in mind.First,itwilacquaint the readerwiththeoonatruction ofthe Harley-Davidson product and assisthiminpertorming basic maintenance and repair.Secondy,i世wllintroduce to the protessional Hariey Davidson mechanic the latest field 4ested and factoryapproved majorrepamethods.We sincerely believe that ths manual will make yourassociation with Hariey Davidson products more psant and profitable # HOW TO USEYOUR SERVICE MANUAL Your Senvice Manual is aranged for guick,asyrelerence.This manual is dwidedinto numbered soCtion4.Sections are then dvided into subjects.Use thismanual as follow家 1.Chack the TABLE OF CONTENTS located in thetront of each section to find subject desired. 2.Page number is listed across from subjoct.Pagenumber consists of section number and pagenumber. 3.intormation is presented in a definite order asfollow AdjustmentsRemovalDisassembly Cleaning.inspection and RepairAssenbinstallalion in figure lbogends,the number following aname of a partindicates the quantity necessary for one oompieteasmby. NOTE AJI inlormation for senieing a pat ahouu be readbefore napal work i started to avoid needlesdisasemby ## PREPARATION FOR SERVICE Propor preparatlion is very important forefficient servioework.A clean work area at the start o each job willallow you to perform the repair as easily and quickly asposslble,and reduce the ineidence ot nisplaced toolsand parts.Amotoreyele that is excesshydirty shouldbecieaned before work starts.Cleaning will occasionay uncover trouble sources.Tools,instuments andparta needed for the job should be gathered before workis started.Interrupting a jcb to loeate tool or parts is anpodless delay.Special tools raquired for a job arelisted at the end of Section t. WARNING Gnsoline is axtramaly flammable and highy uplosiveundor eertain conditionE.AJays stop angine ind donot amoke orallow open flame or spars whan ralualingor servcing the fuel ayatem. ## FOREWORD SERVICE BULLETINS in addsition to the information given in this SeviceManual,Service Blletins are issued to Hariey DavidsonDealers from time to time,which cover interim engineering changes and supplementary inlormation.ServiceBulletin

FAQs

How is the service manual organized for quick reference?

It is divided into numbered sections, with each section further divided into subjects. Use the table of contents at the front of each section to find the desired subject.

What preparation steps are recommended before starting service work?

Prepare a clean work area, gather all tools, instruments, and parts needed before beginning, and avoid unnecessary interruptions to locate items during the job.

What should be done regarding replacement parts?

Use only genuine Harley-Davidson replacement parts or equivalent parts with equivalent characteristics. Follow the manual instructions carefully to ensure a satisfactory and lasting repair.

Oct 25, 2026

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