Detailed Service Manual for Honda CMX450C Rebel Cruiser (1986–1987) – 243 P. Manual | Factory Grade

Honda CMX450C Rebel Factory Precision Data

The 1986–1987 Honda Rebel 450 represents a pinnacle of mid-sized cruiser engineering. Utilizing this professional-grade technical documentation ensures that the vehicle operates within its original design parameters, safeguarding mechanical integrity and ensuring long-term uptime. Adhering to these factory standards is the most effective method for maintaining high-level performance and preserving the vintage value of the PC17 series.

Document Metadata & Logistics

• Total Page Count: 243 Pages
• File Format: Searchable PDF
• Publication Ref: Honda Motor Co., Ltd. 1986
• Print Code: LIT-11616-05-36

Identification & Compatibility Guide

This documentation is specifically tailored for the Honda CMX450C (PC17) chassis and the corresponding 447cc PC17E parallel-twin engine. It covers the full production run from 1986 through 1987, including all regional emission variants and global export specifications.

Professional ROI & Accuracy

• Eliminate Trial-and-Error: Direct access to OEM specifications prevents the costly mechanical failures associated with incorrect assembly.
• Maintenance Precision: Factory-defined service intervals and wear limits allow for proactive part replacement before catastrophic failure occurs.
• Maximum Resale Value: Comprehensive service records backed by factory-correct procedures ensure the highest possible appraisal for classic machinery.

Systemic Content Architecture and Functional Domains

The provided technical guide is organized into specialized sections, beginning with general maintenance intervals and detailed lubrication schedules for the entire powertrain. As the documentation progresses, the archive details fuel system cleaning and precise synchronization, followed by comprehensive management of the cylinder head and valve train assembly.

Significant focus is directed toward the mechanical logic of the clutch and the six-speed transmission, complemented by precise reference data for servicing the crankshaft, pistons, and the complete engine crankcase. For the chassis, the document offers a detailed breakdown of the front wheel assembly, suspension components, and the steering head. Finally, technical parameters are established for the rear wheel, braking system, and final drive, alongside the complete electrical architecture comprising the CDI ignition, charging system, and full wiring harness.

Mechanical Integrity Guide

The following technical benchmarks are essential for the 447cc powerplant and chassis:

• Compression Ratio: 9.3:1 (Critical for fuel grade selection)
• Cylinder Pressure: 171–199 psi @ 400 RPM (Primary engine health indicator)
• Valve Clearance (Cold): 0.10 mm (Inlet/Exhaust)
• Spark Plug Gap: 0.6–0.7 mm (NGK DP8EA-9)
• Main Oil Pressure: 57–71 psi @ 5,000 RPM

Workshop Diagnostic Logic

The diagnostics section utilizes a structured logical approach to fault isolation. It focuses on the specific electrical resistance values of the pulse generator and ignition coils, as well as vacuum-circuit testing for the dual Constant Velocity (CV) carburetors. This systematic methodology allows technicians to resolve complex driveability issues without the need for redundant component swapping.

High-Resolution Technical Schematics

Visual documentation includes high-contrast, scalable wiring diagrams and exploded views of all major sub-assemblies. These diagrams offer professional-grade clarity for the routing of the main harness and the intricate placement of internal transmission shims, ensuring that every component is returned to its factory-mandated position during reassembly.