🏷️ Basic Information

Make:

Husqvarna

Model:

WR 125

Model Variant:

WRE 125

Year:

2000-2002

Engine Code:

Likely a variant of a liquid-cooled, 125cc, two-stroke single-cylinder engine

👋 Introduction

Segment:

Entry-level to mid-level Enduro/Off-Road motorcycle segment, known for its lightweight design and spirited performance.

Competitors:

Competed with models like KTM 125 EXC, Yamaha YZ125, Suzuki RM125, and Honda CR125R of the era.

Performance Focus:

Emphasis on agile handling, powerful two-stroke acceleration, and off-road capability.

Simplicity:

The two-stroke nature of the engine generally leads to simpler mechanics compared to four-stroke counterparts.

📋 Manual Details

Systems Covered:

Engine, Transmission, Chassis, Suspension (Front & Rear), Brakes (Front & Rear), Electrical System (Ignition, Lighting, Charging), Fuel System, Cooling System, Lubrication System, Exhaust System, Frame, Bodywork, Wheels & Tires, Troubleshooting, Maintenance Schedules, Torque Specifications, Component Removal & Installation.

Page Count:

Hundreds of pages (estimated 300-600)

Manual Type:

Service Repair Manual

Language:

English (presumed based on typical product offerings)

Format:

PDF

📖 Manual Coverage

Engine Mechanical:

Detailed breakdown of the 125cc two-stroke engine, including cylinder, piston, crankshaft, connecting rod, crankcase, and seals.

Engine Fuel System:

Carburetor (likely Mikuni or Keihin) disassembly, cleaning, adjustment, and troubleshooting. Fuel tank, petcock, and fuel lines.

Engine Cooling System:

Radiator, coolant hoses, thermostat (if applicable), and coolant specifications.

Engine Lubrication System:

Pre-mix ratio specifications or oil injection system details.

Engine Exhaust System:

Expansion chamber, silencer, and gasket replacement.

Transmission Gearbox:

Clutch operation and service, gearbox disassembly and assembly, gear selection mechanisms, shift drum, and shift forks.

Chassis Frame:

Frame inspection, straightness checks, and common repair procedures for the frame structure.

Suspension Front:

Upside-down (USD) fork service, including oil type, level, seal replacement, and damping adjustments.

Rear Suspension:

Monoshock rear suspension service, including shock absorber overhaul, linkage lubrication, and swingarm bearing maintenance.

Front Brake System:

Hydraulic disc brake service, including caliper overhaul, master cylinder service, pad replacement, and fluid specifications (DOT 4).

Rear Brake System:

Hydraulic disc brake service, including caliper overhaul, master cylinder service, pad replacement, and fluid specifications (DOT 4).

Ignition System:

CDI ignition troubleshooting, spark plug specifications, and ignition timing checks (if adjustable).

Lighting System:

Headlight, taillight, brake light, and turn signal bulb specifications and wiring diagrams.

Charging System:

Stator, flywheel, and voltage regulator/rectifier testing and replacement (if applicable).

Wiring Diagrams:

Comprehensive wiring diagrams for all electrical components.

Routine Maintenance:

Oil changes (gearbox oil), filter cleaning/replacement, chain adjustment, air filter cleaning, spark plug replacement, brake bleeding, and lubrication points.

Troubleshooting:

Systematic diagnostic procedures for common issues related to starting, running, electrical faults, and braking.

Engine Rebuild:

Detailed steps for top-end and bottom-end engine rebuilds, including piston ring replacement, bearing replacement, and seal installation.

Suspension Overhaul:

Complete guides for servicing and rebuilding both front forks and rear shock absorbers.

Brake System Repair:

Steps for caliper rebuilding, master cylinder repair, hose replacement, and bleeding procedures.

Electrical Component Replacement:

Guidance on replacing ignition coils, stators, voltage regulators, switches, and lights.

Bodywork Repair:

Fairing removal and installation, fender replacement, and seat servicing.

Depth:

Comprehensive, covering everything from basic maintenance to complete engine and chassis overhauls. Suitable for home mechanics and professional technicians.

📊 Manual Specifications

File Format:

PDF

Print Quality:

High-resolution scans suitable for printing clear diagrams and text.

Binding Type:

N/A (Digital PDF)

Paper Type:

N/A (Digital PDF)

Searchable Text:

Likely text-searchable, allowing for quick location of specific information.

⚙️ Engine Specifications

Engine Type:

Liquid-cooled, two-stroke, single-cylinder

Displacement:

Approximately 125cc

Bore X Stroke:

Typically around 54mm x 54.5mm (specifics vary by year/variant)

Compression Ratio:

Generally in the range of 8.0:1 to 9.0:1 (requires verification from manual)

Cooling Method:

Liquid-cooled

Ignition:

CDI (Capacitor Discharge Ignition)

Horsepower Approx:

Estimated 25-30 HP at the crankshaft (varies significantly)

Torque Approx:

Estimated 14-17 lb-ft (varies significantly)

Carburetor Type:

Likely a single Mikuni or Keihin flat-slide carburetor (e.g., 36mm VM36 or PWK36)

Fuel Type:

Unleaded gasoline with specified two-stroke oil pre-mix ratio (e.g., 50:1 or 40:1).

Gearbox Oil Type:

API GL-4 or GL-5, SAE 80 or 80W/90 transmission oil (verify specific grade).

🔧 Transmission

Transmission Type:

6-speed constant mesh manual gearbox

Clutch Type:

Wet multi-plate clutch, cable-actuated

Gear Ratios:

Specific gear ratios will be detailed in the manual, crucial for performance tuning.

📐 Dimensions

Length Overall:

Refer to manual for exact dimensions, typically around 80-85 inches.

Width Overall:

Refer to manual for exact dimensions, typically around 30-35 inches.

Height Overall:

Refer to manual for exact dimensions, typically around 50-55 inches.

Dry Weight:

Typically around 200-220 lbs (90-100 kg) without fluids.

Wet Weight:

Will be specified in the manual, including all fluids.

Fuel Capacity:

Typically around 2.5-3.5 gallons (9.5-13 liters).

🛡️ Safety Features

Safety Certifications:

Not applicable in the automotive sense; focused on off-road performance and rider safety.

Braking System:

Powerful hydraulic disc brakes front and rear for effective stopping power in off-road conditions.

Suspension Control:

Adjustable suspension components to maintain stability and control over varied terrain.

Frame Integrity:

Robust frame construction designed to withstand impacts and stresses of off-road riding.

💡 Technology Features

Infotainment Features:

N/A (Basic off-road motorcycle focused on performance, not amenities.)

Rider Assistance:

None (Focus is on rider skill and direct control.)

Connectivity Features:

N/A

🔧 Maintenance

Oil Change Interval:

Gearbox oil: Every 10-15 riding hours or annually. (Specifics in manual).

Air Filter Cleaning:

Clean after every few rides, or more frequently in dusty conditions. (Specifics in manual).

Chain Lubrication:

Lubricate chain regularly, especially after washing or riding in wet conditions. Adjust tension as needed.

Spark Plug Replacement:

Check and clean regularly, replace as needed based on condition or performance degradation. (Specifics in manual).

Coolant Type:

Ethylene glycol based coolant, typically a 50/50 mix with distilled water. (Verify exact type in manual).

Fork Oil Type:

Specific suspension fork oil grade (e.g., SAE 5W or 7.5W) and level will be detailed in the manual.

Brake Fluid Type:

DOT 4 hydraulic brake fluid.

Common Wear Items:

Piston rings, clutch plates, fork seals, swingarm bearings, and wheel bearings are common wear items on off-road bikes of this era.

Carburetor Tuning:

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

Two Stroke Maintenance:

Requires diligent attention to proper oil/fuel mixture and regular top-end rebuilds to maintain peak performance.

📚 Vehicle History

Husqvarna History:

Husqvarna boasts one of the oldest motorcycle manufacturing heritages, dating back to 1903, with a strong legacy in off-road and motocross racing.

Wr125 Development:

The WR series has been a staple in Husqvarna's off-road lineup, evolving with advancements in engine technology, suspension, and chassis design to remain competitive.

Production Period:

The WR 125 models were produced for a significant period, with this manual covering the 2000-2002 iterations, representing a specific generation of the model.

🏆 Awards & Recognition

Awards:

Specific awards for the 2000-2002 WR 125 are not widely documented in generic automotive databases, but Husqvarna models of this era were generally well-regarded in the off-road community for their performance and handling.