1983 Honda CX650C Factory Shop Manual (P/N 6ME800)

• Official Honda publication 6ME800 (December 1982) detailing engine, chassis, and electrical diagnostics for the V-twin liquid-cooled platform.
• Serves as the definitive reference for shop maintenance and complete engine repair.

Contents and Technical Depth

Finding reliable factory data for vintage V-twins is often a challenge. This OEM manual delivers unedited, factory-authorized documentation for servicing the 674 cm3 V-twin engine and its associated chassis components. It outlines system-wide maintenance schedules alongside critical procedures like engine removal and clutch operation parameters. Having this direct resource eliminates guesswork in the bay. You get clear diagnostic breakdowns for fuel, ignition, and cooling systems. Since working on pressurized systems and high-voltage ignition circuits carries inherent risks, always consult a certified technician before proceeding with heavy service work. The literature provides the necessary foundation for a safe and accurate repair.

Factory Specifications

Navigating complex mechanical assemblies requires precise tolerances. The manual segments technical data by component group so you can quickly find exact values for wear-critical parts. For example, the cylinder head bolt torque is specified at 50–60 Nm, and the intake valve clearance is strictly listed at 0.10 mm. Cooling system capacity for the 1983 model sits at 1.7 liters. When evaluating top-end health, the valve seat width tolerances of 1.1–1.3 mm and the rocker arm shaft service limit of 14.95 mm are clearly defined. Using this documentation ensures every fastener and clearance meets original manufacturing standards.