1982-1985 Honda CB450 / CM450 Shop Manual

Honda CB/CM450's troubleshooting and repair reference for 1982-1985 models. Ref: 61MC003

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Document Details

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Document Number / Seller:
28934 / Jerry Harris
File Size:
36.45 MB
File Type:
ZIP
Language:
English
Printable:
Yes
Category:
Bike
Last updated / verified
Jul 2, 2025

Models Covered & Key Technical Specifications

Honda CB/CM450's (61MC003) Manual: 1982-1985 1982-1985 Honda CB450 / CM450 Shop Manual | Series Honda Container: Library

  • Engineered Threaded Fastener Data: 18-25 N-m is configured at the standard torque value Specifications.
  • Defined Fluid Levels: For optimal performance, 3.0 L defines the fluid capacity for CM450C, E, and CB450T. Requirements.
  • Standard Deviation Limits: 0.10 mm -- represents the maximum allowable cylinder bore variance Baseline.
  • Prescribed Operating Temps: The front fork air pressure requires 200 kPa for vehicle capacity load. Benchmarks.
  • Nominal Angular Speed: Maximum throughput reaches 1,200 ± 100 rpm Parameters.
  • Verified Rotational Force: For specific applications, 45–50 N·m signifies the clutch torque value Threshold.

Professional Workshop Service Manual & Technical Specifications

Honda CB/CM450's (61MC003) Manual: 1982-1985

Models: 1982-1985 Honda CB450, CM450, CB450SC, CM450A, CM450E, CM450T | Series: Honda Container: Library

Identifier Diagnostic-Logic Validation-Data
Date of Issue November, 1981 Revision June, 1983
Part Number 61MC003 A27008410

Technical content addresses the following key areas:

General Information and How-To-Use

This section provides an overview of the manual's structure and how to navigate its contents. It details general safety notices and service rules specific to Honda motorcycles.

Engine Removal/Installation

This chapter documents the procedures for removing and reinstalling the engine. It includes detailed steps and specifications for torque values on specific bolts.

Transmission and Gearshift Linkage

Detailed instructions are provided for the disassembly, inspection, and assembly of the transmission and its related components, including shift forks and drums.

Fuel System and Carburetor

Coverage includes the fuel system, carburetor removal and installation, along with specific procedures for adjusting the pilot screw, float level, and choke.

Clutch and Drive Train

This section details the disassembly, inspection, and assembly of the clutch system, including torque specifications for related components.

Documents torque specifications for the drive chain to ensure proper system operation and thermal expansion compensation.

FAQ

Check the **standard** spark plug gap. keyboard_arrow_down

0.6–0.7 mm (0.024–0.028 in) is the recommended spark plug gap, with specific values provided for NGK and ND types under various conditions.

What does the **necessary** valve clearance specification mean? keyboard_arrow_down

1.270 ± 98 kPa (13 ± 1 kg/cm², 185 ± 14 psi) is the standard compression pressure, with service limits of 36.9 mm (1.45 in) for IN valves and 39.5 mm (1.56 in) for EX valves.

Reference the **recommended** torque specifications for the engine hanger bolts. keyboard_arrow_down

18–25 N·m (2.0–2.5 kg-m, 13–18 ft-lb) is the recommended torque for 8 mm engine hanger bolts, as detailed on page 86 and relevant to procedures on pages 5-1 through 5-5.

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Reviews (4)

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Rated 4 out of 5 stars
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This shop manual has everything I need for maintaining my Honda CB450. The download was seamless and the support team responded quickly to my questions. Highly recommend!
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This manual is a must-have for anyone restoring a 1982-1985 Honda model. It has all the technical details you need. The customer service was fantastic, with quick replies to my email inquiries. Great purchase!
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I found this manual to be very comprehensive. The sections are well-organized and easy to navigate. Plus, the download process was smooth, and support was very helpful when I reached out with a question.