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

Honda CMX450C Rebel (1986–1987) Factory Technical Specifications & Overview

When working on the classic 1986–1987 Honda Rebel 450, guesswork isn't an option. Incorrect torque or clearance specifications can quickly lead to engine damage or unsafe riding conditions. This instant download provides the exact factory data and systemic overviews needed to keep the PC17 chassis and 447cc parallel-twin running flawlessly. Designed for professional mechanics and serious DIYers, it cuts out the trial-and-error, giving you direct access to the numbers that matter for your daily workshop routine.

Document Metadata & Compatibility

• Coverage: 1986–1987 Honda CMX450C (PC17) & 447cc PC17E engine (all regional and export variants)
• Delivery: Searchable PDF (Instant Download)
• Total Pages: 243 Pages
• Publication Ref: Honda Motor Co., Ltd. 1986 (Print Code: LIT-11616-05-36)

Workshop Benefits & Accuracy

Having reliable OEM specifications on hand means faster turnarounds and fewer comebacks. You get precise wear limits and factory-defined service intervals, allowing for proactive parts replacement before a catastrophic failure occurs. Maintaining a vintage machine like the PC17 with factory-correct data also ensures maximum mechanical integrity and protects its resale value.

Content Breakdown & System Overviews

The archive breaks down the entire motorcycle into logical, easy-to-navigate sections. It starts with routine maintenance intervals and comprehensive powertrain lubrication schedules. From there, the document details the specifics of fuel system synchronization, dual CV carburetor vacuum testing, and complete cylinder head management.

You will find the exact reference data required for inspecting the six-speed transmission, clutch assembly, and crankshaft. For the chassis, the overview details the front suspension setup, steering head bearings, and rear drive limits. It also maps out the complete electrical harness, including the charging system and CDI ignition routing.

Critical Factory Data Points

The following technical benchmarks are essential for evaluating the health of the 447cc powerplant:

• Compression Ratio: 9.3:1 (Crucial for fuel grade selection)
• Cylinder Pressure: 171–199 psi @ 400 RPM (Primary indicator of top-end wear)
• 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

High-Resolution Schematics

To support accurate visual diagnosis and reassembly, the document includes high-contrast wiring diagrams and exploded views of all major sub-assemblies. These schematics clarify the routing of the main harness and the precise placement of internal transmission shims, ensuring every component returns to its factory-mandated position.