1978-1979 Honda CX500 Service Manual

Full service documentation for the Honda CX500 addressing engine, transmission, carburetor, and electrical systems. Includes diagrams and specifications. 07923-415000

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Honda Models Covered & Key Technical Specifications

Models: Honda CX500
Sub-models / Variants: Standard, Australia Type, Canada Type
Build Years: 1978–1979
Serial Numbers: 07923-415000
Technical Data:

  • Engine displacement: 496 cc
  • Engine configuration: 80-degree liquid-cooled V-twin
  • Valvetrain: 4 valves per cylinder, push-rod operated
  • Bore x Stroke: 78 x 52 mm
  • Compression ratio: 10:1
  • Transmission: 5-speed constant mesh, shaft drive
  • Ignition: Capacitive Discharge Ignition (C.D.I.)
  • Valve clearance (intake): 0.08 mm
  • Valve clearance (exhaust): 0.10 mm
  • Engine oil capacity: 3.0 liters (assembly), 2.6 liters (filter change), 2.5 liters (oil change)
  • Coolant capacity: 2.0 liters
  • Spark plug gap: 0.6–0.7 mm
  • Idle speed: 1,100 ± 100 rpm
Technical Specifications
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Document Number / Seller:
26423 / Patrick Brown
File Size:
108.39 MB
File Type:
ZIP
Language:
English
Printable:
Yes
Category:
Motorbike
Last updated / verified
Nov 6, 2025

Honda Manual Features & Content Preview

1978–1979 Honda CX500 Workshop Publication

  • Covers 1978–1979 Honda CX500, including Standard, Canada-type, and Australian-market variants
  • Original OEM publication P/N 07923-415000, 1978 edition
  • Contains 47 high-detail exploded-view assembly diagrams and 6 electrical schematics
  • Total length of 100 pages detailing factory technical specifications
  • Indexed PDF search covers every chapter and appendix
  • Suitable for printing individual sections for shop-floor use
  • This official factory compendium is the reference used for the 1978 launch-build of the 496 cc V-twin engine.

Engine and Chassis Documentation

This manual provides detailed technical information for the 1978–1979 Honda CX500. Chapters cover engine removal and installation, cylinder head and valve train assembly, lubrication systems, and comprehensive inspection criteria. The contents include detailed maintenance schedules, carburetor synchronization methods, and wiring layout maps for both standard and regional variants. Specialized tools for maintenance are clearly identified, ensuring accurate servicing for the liquid-cooled, 80-degree V-twin engine configuration. The publication details standard and service limit tolerances, facilitating precise mechanical assessment of the com-star wheel drivetrain and associated components.

Technical Specification Preview

Engine cooling system capacity for the 1978–1979 Honda CX500 is documented at 2.0 liters. Valve clearance for the intake is listed at 0.08 mm in the cylinder head specification table. Cylinder head bolt torque values are documented in a multi-stage sequence, with final-stage values specified at 5.0–5.5 kg-m (36–40 ft-lbs). The manual provides extensive data on the Capacitive Discharge Ignition (C.D.I.) system, including trigger voltage thresholds and ignition timing marks for the 5,500–6,000 rpm range. Standard maintenance values for oil capacity, compression ratios, and tire pressures are provided for reference. An official 100-page Honda OEM workshop manual covering the 1978–1979 CX500, documenting engine, chassis, electrical, and fuel-injection specifications for the 496 cc build.

Manual FAQ, Purchase & Download Details

Can you outline which chapters within this service manual cover fluid capacities and lubricant data? keyboard_arrow_down

Technical data sections include tables that list recommended fluid capacities for the cooling, lubrication, and transmission systems. These tables serve as a quick reference for volume requirements across the covered motorcycle components.

Which edition markers are present to signify the publication scope of this Honda CX500 manual? keyboard_arrow_down

Cover and foreword pages identify this document as an official shop manual covering the 1978 and 1979 model years.

What electrical reference details, such as wiring schematics or connector data, are provided in the documentation? keyboard_arrow_down

Electrical chapters include detailed diagrams of the ignition and charging systems, specifically mapping the capacitive discharge ignition components. These visual aids display the flow of current and the arrangement of electrical parts within the ignition architecture.

Does the manual preview include component breakdown diagrams and parts illustrations? keyboard_arrow_down

Document contains multiple exploded views and technical feature illustrations that show the assembly arrangement of the engine, cooling system, and transmission.

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