1991 Husqvarna WR-CR 125 WR 240-250-260 CR 250 Workshop Service Repair Manual Download 91 PDF

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This manual covers the 1991 WR-CR 125, WR 240, WR 250, WR 260, and CR 250 off-road motorcycles. These models represent a significant era in a long heritage as a...

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Taper: Motorcycle

Distributeur:

UGS: 66310

Mots clés: 1991 CR 250 Husqvarna Misc Motorcycle Motorcycles WR 240 WR 250 WR 260 WR-CR 125

Variantes de produits

Description

This manual covers the 1991 WR-CR 125, WR 240, WR 250, WR 260, and CR 250 off-road motorcycles. These models represent a significant era in a long heritage as a manufacturer of high-performance two-stroke, single-cylinder, liquid-cooled engines, known for their competitive edge in motocross and enduro racing. Engineered for agile handling and robust performance, these machines were designed to tackle challenging terrains, reflecting Swedish origins and decades of development in off-road motorcycling. This comprehensive workshop service repair manual provides in-depth guidance for owners, mechanics, and technicians. It details essential maintenance procedures, including routine servicing and component overhauls, alongside troubleshooting diagnostics for common issues. The manual covers all major systems such as the engine, transmission, chassis, brakes, fuel, and electrical systems, offering specific procedures, adjustments, and torque specifications. With its extensive coverage and OEM-level technical detail, this English-language manual is an indispensable resource for maintaining and repairing these classic off-road motorcycles.

🏷️ Basic Information

Identification

Make:

Husqvarna

Model:

WR-CR 125, WR 240, WR 250, WR 260, CR 250

Year:

Codes

Chassis Code Prefix:

Engine Code Prefix 125:

08-xx

Engine Code Prefix 240 250 260:

07-xx

👋 Introduction

Market Position

Segment:

Off-road/Enduro and Motocross motorcycles

Target Audience:

Owners, mechanics, and enthusiasts of 1991 Husqvarna WR and CR models.

Competitive Analysis

Competitors 1991:

KTM, Yamaha YZ series, Honda CR series, Suzuki RM series, Kawasaki KX series.

Key Features

Manual Focus:

Comprehensive repair and maintenance guidance for specific 1991 Husqvarna models.

Oem Status:

Described as 'Most Complete OEM', indicating high authenticity and detail.

📋 Manual Details

Coverage Areas

Primary Models Covered:

Husqvarna WR-CR 125, WR 240, WR 250, WR 260, CR 250

Year Coverage:

Page Count

Estimated Page Count:

Extensive (specific page count not provided, but typical for OEM service manuals)

Manual Type

Type:

Workshop Service Repair Manual

Language

Language:

English

Format

Format:

PDF Download

📖 Manual Coverage

Systems Covered

Engine:

Complete engine disassembly, assembly, inspection, tuning, and troubleshooting for all listed displacements (125cc, 240cc, 250cc, 260cc).

Transmission:

Gearbox inspection, repair, clutch service, and adjustment procedures.

Chassis:

Frame inspection, front suspension (forks) service and overhaul, rear suspension (shock absorber, linkage) service.

Brakes:

Front and rear brake system inspection, maintenance, caliper service, hydraulic system bleeding, and pad replacement.

Electrical:

Ignition system, lighting, wiring diagrams, battery maintenance, and troubleshooting for electrical components.

Fuel System:

Carburetor identification, cleaning, adjustment, jetting, fuel tank, and fuel line maintenance.

Cooling System:

Radiator, hoses, and coolant maintenance (where applicable for specific models).

Exhaust System:

Muffler and pipe maintenance.

Wheels And Tires:

Wheel bearing maintenance, spoke tightening, and tire pressure recommendations.

Procedures Included

Routine Maintenance:

Oil changes, filter replacements, spark plug checks, chain lubrication and adjustment, air filter cleaning.

Troubleshooting Diagnostics:

Detailed guides for diagnosing common starting, running, and performance issues.

Component Overhaul:

Complete disassembly and reassembly instructions for major components like the engine, carburetor, and suspension.

Adjustments:

Carburetor tuning, clutch adjustment, brake lever adjustment, suspension setup.

Torque Specifications:

Essential torque values for critical fasteners throughout the motorcycle.

Wiring Diagrams:

Comprehensive electrical schematics for all systems.

Technical Depth

Depth:

OEM-level technical detail covering from basic maintenance to complete engine and chassis rebuilds.

📊 Manual Specifications

File Format

File Type:

Searchability:

Likely text-searchable PDF (dependent on scan quality)

Print Quality

Quality:

Varies by original source, typically black and white with clear diagrams.

Binding Type

Binding:

N/A (Digital Download)

Paper Type

Paper Type:

N/A (Digital Download)

⚙️ Engine Specifications

Primary Engine

Engine Type:

2-stroke, single cylinder, liquid-cooled (typical for these models)

Bore Stroke 125:

Approx. 54mm x 54.5mm (typical for 125cc)

Bore Stroke 240:

Approx. 67mm x 67mm (typical for 240cc)

Bore Stroke 250:

Approx. 68mm x 68mm (typical for 250cc)

Bore Stroke 260:

Approx. 70mm x 68mm (typical for 260cc)

Reed Valve System:

Standard (typical for performance 2-strokes)

Performance

Horsepower 125:

Approx. 30-35 HP (estimated, specific to tuning)

Horsepower 250:

Approx. 38-45 HP (estimated, specific to tuning)

Fuel System

Carburetor Type 125:

Mikuni VM34 (typical)

Carburetor Type 250:

Mikuni TM36 or similar (typical)

Fuel Type:

Unleaded gasoline mixed with 2-stroke oil (pre-mix ratio specified in manual)

🔧 Transmission

Standard

Type:

6-speed constant mesh manual transmission

Features

Clutch:

Wet multi-plate clutch

Final Drive:

Chain drive

📐 Dimensions

Exterior

Wheelbase Approx:

1450mm - 1470mm (varies by model)

Seat Height Approx:

940mm - 970mm (varies by model)

Weights

Dry Weight Approx:

100kg - 110kg (varies by model)

🛡️ Safety Features

Ratings

Safety Certification:

Not applicable to off-road motorcycles in the same way as street vehicles. Focus is on mechanical integrity and rider control.

Active Features

Handling:

Designed for agile off-road handling, requiring rider skill.

Passive Features

Protective Gear Recommendation:

Manual will implicitly or explicitly require appropriate protective gear (helmet, boots, etc.) for operation.

💡 Technology Features

Infotainment

System:

N/A (Analog instrumentation typical for this era: speedometer, tachometer, odometer).

Driver Assistance

Features:

N/A (No electronic rider aids present).

Connectivity

Features:

🔧 Maintenance

Service Intervals

Oil Change:

Variable, dependent on usage (e.g., every 10-15 hours of riding for gearbox oil).

Spark Plug Check:

Regular checks recommended (e.g., every 20-30 hours or as per manual guidance).

Air Filter Cleaning:

Frequent cleaning is crucial for 2-stroke performance, especially in dusty conditions.

Top End Rebuild:

Recommended every 40-60 hours of hard use for optimal performance (piston, rings, cylinder).

Fluid Specifications

Gearbox Oil:

Specific 2-stroke transmission oil (e.g., SAE 75W/80 or 10W-40 motorcycle specific oil - consult manual for exact spec).

Coolant:

Ethylene glycol-based antifreeze mixed with distilled water (if liquid-cooled).

Brake Fluid:

DOT 3 or DOT 4 hydraulic brake fluid (check manual for specific type).

Known Issues

Common Wear Items:

Clutch plates, piston rings, kick-start mechanism, suspension seals, chain and sprockets.

Carburetor Tuning:

Can be sensitive to altitude and temperature changes, requiring periodic adjustment.

Suspension Seals:

Fork and shock seals can degrade over time, leading to leaks.

📚 Vehicle History

Brand Heritage

Heritage:

Husqvarna is one of the oldest motorcycle manufacturers in the world, originating in Sweden, with a strong legacy in off-road and motocross racing.

Model Evolution

Development Era:

The 1991 models represent a period of continued development in the 2-stroke off-road segment, building on decades of experience.

Production

Manufacturing Origin:

Sweden (historically)

🏆 Awards & Recognition

Recognitions

Racing Success:

Husqvarna has a rich racing heritage, and these models were competitive in their respective classes during their production years.

Ratings

Performance Reviews:

Often praised for their robust engines and capable chassis in period reviews, though specific accolades for the 1991 models would require historical research.