FL/FX 1200/1340cc 4-Speed - Service Manual - 1978 1/2 to 1984

Oct 28, 2026

Service manual for Harley-Davidson FL/FX models with 1200/1340cc engines and 4-speed transmissions covering the period 1978 1/2 through 1984. Includes safety and preparation guidance, table of contents structure, service procedures by system (chassis, engine, fuel system, electrical, starter, drive, transmission), and notes on service bulletins. Provides guidance on using genuine replacement parts, product references, and warning notes for parts and procedures to support reliable maintenance.

LanguageEnglish

CategoryTechnology

FormatPDF

Pages360

Reading Time15 h 7 min

AccessFree to download

SERVICE MANUAL

4-SPEED

SERVICEMANUAL

YOUR SERVICE MANUAL

PREPARATION FOR SERVICE

SERVICE BULLETINS

USE GENUINE REPLACEMENT PARTS

PRODUCT REFERENCES

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FAQs

What models and model years does this service manual cover?

It covers Harley-Davidson FL/FX models with 1200/1340cc engines and a 4-speed transmission from 1978 1/2 to 1984.

How should service work be organized when using this manual?

Use the table of contents at the start of each subject, and follow page and section references for the specific topic and procedure.

Why is it important to use genuine replacement parts?

The manual instructs using genuine Harley-Davidson parts with correct characteristics to help ensure proper fit, performance, and durable repair outcomes.

Oct 28, 2026

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