1984-1985 Honda CR125R Workshop Manual

Complete workshop and maintenance documentation for your Honda CR125R, covering all systems and components. Includes detailed procedures and specifications for optimal performance. PN 61CS400.

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Document Details

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Document Number / Seller:
26113 / Robert Henry
File Size:
29.53 MB
File Type:
PDF
Language:
English
Pages:
247
Printable:
Yes
Category:
Motorcycle
Last updated / verified
Jun 17, 2025

Models Covered & Key Technical Specifications

1984-1985 Honda CR125R (Workshop Manual)

This comprehensive manual covers your CR125R, offering detailed procedures and specifications for all systems. | Motorcycle Maintenance Suite.

  • Nominal Volume Data: 122 cc establishes the standard displacement for the engine configuration.
  • Principal Charge Quantity: For optimal performance, 7.0L defines the fuel tank capacity Baseline.
  • Rated Technical Data: 0.5-0.6 mm -- signifies the recommended spark plug gap Parameters.
  • Technical Standard Specifications: The front fork oil capacity requires 621 cc for standard operation Mapping.
  • Standard Cooling Specs: Maximum air pressure reaches 6 psi Configuration.
  • Defined Mass Specs: 86.8 kg establishes the dry weight for the base model Benchmarks.

Professional Workshop Service Manual & Technical Specifications

Practical Specification Installation Manual: Honda CR125R (1984-1985) Procedure-Library

Engine-Type: 2-stroke // Reference-Category: Motorcycle / Off-road Logic // Diagnostic-Area: Performance tuning.

Integrated-Framework | Rating | Architecture

---|---|--- Engine Displacement | 122 cc | Standard Fuel Tank Capacity | 7.0 Liters | Average Spark Plug Gap | 0.5-0.6 mm | Optimal Front Fork Oil Capacity | 621 cc | Normal Front Fork Air Pressure | 6 psi | Maximum Dry Weight | 86.8 kg | Standard

Repair data is categorized into:

  • Engine Removal and Installation
  • Front Wheel and Suspension
  • Rear Wheel and Suspension
  • Cooling System
  • Fuel System
  • Clutch and Gearshift Linkage

Engine System Overview

This manual thoroughly documents the engine's internal systems, including the cylinder, piston, and crankshaft. It details procedures for disassembly, inspection, and reassembly, ensuring all components function within specified tolerances. The manual also covers the ATAC system, providing diagnostic and adjustment guidance.

Suspension and Chassis Maintenance

Detailed guidance is provided for front and rear suspension systems, including fork disassembly, shock absorber servicing, and wheel bearing replacement. Procedures for steering stem maintenance and brake system checks are also included, ensuring a safe and well-handling motorcycle.

This manual documents torque specifications for engine mounting bolts to ensure proper oscillation integrity.

FAQ

Confirm the **recommended** diagnostic procedures for starting issues? keyboard_arrow_down

No fuel in the tank, no fuel to the carburetor, too much fuel in the cylinder, ignition malfunction, clogged air cleaner, or deteriorated premix are the primary causes for an engine not starting.

What tools are needed for **calibrated** fluid capacity requirements? keyboard_arrow_down

For fuel tank capacity, a 7.0L (1.8 US gal, 1.5 Imp gal) volume is specified, and for transmission oil, 0.6L (0.63 US qt, 0.53 Imp qt) is recommended for oil changes.

Identify the **applicable** component identification for the air screw opening? keyboard_arrow_down

The air screw opening for the PJ01A carburetor is specified as 2 turns out, with a slow jet of #62.

What procedures are required for **exact** adjustment procedures for the drive chain? keyboard_arrow_down

35-40 mm (1-3/8-1-9/16 in) is the specified chain slack, which can be adjusted by loosening the axle nut and turning the adjusting nuts.

Determine the **specific** pressure specifications for the front fork air? keyboard_arrow_down

The standard front fork air pressure is 0 kPa (0 kg/cm², 0 psi), with a maximum air pressure of 6 psi (40 kPa, 0.4 kg/cm²) for '84 models and 3 psi (20 kPa, 0.2 kg/cm²) for After '84 models.

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