Harley-Davidson FL/FLH Models 1978-1980 Service Manual

About this manual

This service manual covers maintenance and repair procedures for Harley-Davidson FL/FLH and FX series motorcycles manufactured between 1978 and 1980. It includes detailed instructions for chassis, engine, transmission, electrical systems, and miscellaneous components. The manual emphasizes using genuine Harley-Davidson parts and follows U.S. safety and emission standards. It also includes warnings about gasoline flammability and notes on service bulletins for updates.

What's inside

• Service Manual
• Electra Glide - FL/FLH
• Super Glide - FX/FXE/FXEF/FXS
• Chassis
• Engine
• Transmission
• Electrical
• Miscellaneous
• Service Bulletins
• Genuine Replacement Parts

Frequently asked questions

What safety precautions are required when refueling or servicing the fuel system?

You must stop the engine and not smoke or allow open flames or sparks during refueling or fuel system servicing.

What legal restrictions apply to emission system components?

Any substitution, alteration, or adjustment of emission system components outside of factory specifications may be prohibited by law.