CR250R 1986-91 HONDA Service Repair Manual

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🏷️ Basic Information Identification Make: Honda Model: CR250R Model Years Covered: 1986, 1987, 1988, 1989, 1990, 1991 Codes Product Identifier: CR250R 1986-91 HONDA Service Repair Manual 👋 Introduction Market Position...

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Type: Motorcycle

Vendor:

Sku: 203979

Tags: 1986 1987 1988 1989 1990 1991 CR Series CR250R Featured Honda Motorcycle Motorcycles

Product variants

Description

🏷️ Basic Information

Identification

Make:

Honda

Model:

CR250R

Model Years Covered:

1986, 1987, 1988, 1989, 1990, 1991

Codes

Product Identifier:

CR250R 1986-91 HONDA Service Repair Manual

👋 Introduction

Market Position

Target Audience:

DIY Owners, Professional Technicians

Vehicle Type:

Motocross Competition Motorcycle

Competitive Analysis

Value Proposition:

Save Money on Repairs with Professional-Grade Information

Key Features

Information Source:

Same Manual Used by Professional Technicians

Content Style:

Detailed, Step-by-Step Instructions

📋 Manual Details

Coverage Areas

Primary Focus:

Service, Maintenance, Repair, Diagnosis

Page Count

Total Pages:

Manual Type

Type:

Service Repair Manual

Language

Language:

English

Format

Format:

PDF DOWNLOAD

📖 Manual Coverage

Systems Covered

Engine Group:

Engine, Fuel System, Lubrication System

Chassis Group:

Chassis, Suspension, Steering, Brakes

Electrical Group:

Electrical System, Ignition System, Lighting

Specific Systems:

Power Valve System (ATAC or similar), Crankcase Seals, Ignition Timing

Suspension Details:

Front Telescopic Forks (e.g., Showa or Kayaba) and Rear Monoshock Suspension (Pro-Link System).

Procedures Included

Maintenance Procedures:

Periodic Maintenance, Tune-up Procedures

Diagnostic Procedures:

Troubleshooting, Diagnosis

Repair Procedures:

Step-by-step Repair Instructions

Frame Procedures:

Steering stem bearing service, swingarm bearing service

Wheel Procedures:

Wheel bearing replacement, spoke tensioning (if applicable)

Bodywork Procedures:

Plastics removal/installation, seat servicing.

Technical Depth

Depth Level:

Comprehensive Professional Technician Level

Diagnostic Capabilities:

Systematic troubleshooting guides for electrical and mechanical faults

Rebuild Procedures:

Engine disassembly, component inspection, and reassembly (full rebuilds)

📊 Manual Specifications

File Format

File Type:

Text Searchability:

Likely Searchable (common for professional PDF manuals)

Print Quality

Printability:

Binding Type

Binding:

N/A (Digital Download)

Paper Type

Paper:

N/A (Digital Download)

Compatibility

Operating Systems:

Win/Mac

Requirements

Software Requirement:

Adobe PDF Reader

⚙️ Engine Specifications

Primary Engine

Engine Type:

Liquid-Cooled, 2-Stroke Single Cylinder

Engine Displacement Cc:

Performance

Bore X Stroke Mm:

66.0 x 72.0 (approximate, varies by year)

Compression Ratio:

6.8:1 (approximate, varies by year)

Fuel System

Carburetor Type:

Keihin PWK Series (e.g., PWK39)

Fuel Type:

Unleaded Gasoline (with specified octane rating)

Lubrication System

Lubrication Method:

Premix (Gasoline/Oil mixture) or Oil Injection (varies by year)

Engine Components

Ignition System:

CDI (Capacitor Discharge Ignition)

Cooling System:

Liquid-Cooled

Clutch Actuation:

Cable Operated

🔧 Transmission

Standard

Transmission Type:

5-Speed Manual

Features

Clutch Type:

Wet Multi-Plate

Fluid Specifications

Transmission Oil Type:

SAE 10W-30 API SE or SF (for transmission/clutch, often shared)

📐 Dimensions

Weights

Dry Weight Kg:

106 - 113 (varies by year)

Wet Weight Kg:

Approx. 115-122 (varies by year)

Fuel Tank Capacity Liters:

9.0 - 9.5 (approximate, varies by year)

🛡️ Safety Features

Active Features

Braking System Front:

Hydraulic Disc

Braking System Rear:

Hydraulic Disc

Passive Features

Frame Type:

Steel Semi-Double Cradle

💡 Technology Features

Infotainment

Infotainment System:

N/A (Motocross Motorcycle)

Driver Assistance

Driver Assistance Features:

N/A (Motocross Motorcycle)

Connectivity

Connectivity Features:

N/A (Motocross Motorcycle)

🔧 Maintenance

Service Intervals

Oil Change Interval Hours:

As specified in manual (e.g., every 10-20 hours of hard use)

Air Filter Cleaning Interval Hours:

As specified in manual (frequently recommended)

Spark Plug Replacement Interval:

As specified in manual (e.g., every 25-50 hours or as needed)

Fluid Specifications

Coolant Type:

Distilled Water and Motorcycle Antifreeze/Coolant

Brake Fluid Type:

DOT 3 or DOT 4 Hydraulic Brake Fluid

Known Issues

Common Wear Item:

Chain and Sprockets

Maintenance Focus:

Regular top-end rebuilds are typical for high-performance 2-strokes

Electrical Issues:

Potential for stator or CDI unit failure, wiring harness wear.

Maintenance Procedures

Carburetor Adjustment:

Detailed procedures for jetting and idle speed adjustment

Suspension Servicing:

Fork oil change, seal replacement, shock absorber servicing

📚 Vehicle History

Brand Heritage

Brand Focus:

Reputation for Performance and Reliability in Motocross

Model Evolution

Cr Series Significance:

Flagship Motocross Line for Honda

Key Updates During Period:

Significant updates to suspension, engine tuning, chassis geometry, and power delivery across these model years.

Production

Manufacturing Location:

Japan