🏷️ Basic Information

Make:

Husqvarna

Model:

CR 250 / WR 250

Year:

2007

Product Type:

Workshop Service Repair Manual

Format:

Digital Download (PDF)

👋 Introduction

Segment:

Competition/Off-Road Motorcycle

Target Audience:

Husqvarna CR 250 and WR 250 owners, technicians, and enthusiasts requiring detailed service information.

Competitors 2007:

KTM EXC 250, Yamaha YZ250, Honda CR250R, Suzuki RM250, Kawasaki KX250.

Manual Advantage:

Provides OEM-level detail, crucial for accurate maintenance and repair of a specialized off-road motorcycle.

Documentation Scope:

Covers both competition (CR) and wide-ratio (WR) variants, suggesting comprehensive coverage for model year 2007.

📋 Manual Details

General Coverage:

Comprehensive service and repair information for the 2007 Husqvarna CR 250 and WR 250 models.

Specific Systems:

Engine, chassis, suspension, brakes, electrical system, fuel system, cooling system, drivetrain, and bodywork.

Estimated Pages:

Likely 300-500+ pages, typical for a complete OEM workshop manual.

Type:

OEM Workshop Service Repair Manual

Language:

English (assumed, standard for most OEM manuals of this era).

File Format:

PDF

Searchability:

Searchable PDF text allows for quick access to specific information.

Printability:

Printable pages for on-the-bench use.

Quality:

OEM quality scan, clear text and diagrams (assumed).

📖 Manual Coverage

Engine Mechanical:

Detailed breakdown, assembly, inspection, and repair of the 250cc two-stroke engine, including piston, rings, cylinder, crankshaft, connecting rod, seals, and bearings.

Cooling System:

Maintenance, troubleshooting, and repair of the liquid cooling system, including radiator, hoses, water pump, and coolant specifications.

Fuel System:

Carburetor (Mikuni VM series or similar) disassembly, cleaning, adjustment, jetting, fuel tank, petcock, and fuel lines.

Ignition System:

CDI ignition system, stator, coil, spark plug specifications, timing adjustments, and troubleshooting.

Exhaust System:

Exhaust pipe, silencer maintenance, and packing replacement.

Transmission Drivetrain:

Gearbox disassembly, inspection, repair, clutch operation (including clutch plates, springs, and hydraulic actuation if applicable), and chain drive maintenance.

Frame Chassis:

Frame inspection, maintenance, and repair procedures.

Suspension Front:

Upside-down telescopic fork (e.g., Marzocchi or WP) service, including oil change, seal replacement, spring rates, damping adjustments, and inner tube inspection.

Suspension Rear:

Monoshock rear suspension system service, including shock absorber maintenance, linkage lubrication, bearing checks, and spring pre-load adjustments.

Brakes Front:

Hydraulic disc brake system service, including caliper overhaul, master cylinder maintenance, brake pad replacement, fluid bleeding, and line inspection.

Brakes Rear:

Hydraulic disc brake system service, including caliper overhaul, master cylinder maintenance, brake pad replacement, fluid bleeding, and line inspection.

Wheels Hubs Spokes:

Wheel bearing inspection and replacement, spoke tension adjustment, and rim maintenance.

Electrical System:

Wiring diagrams, lighting system (headlight, taillight, brake light), battery maintenance, fuse replacement, and basic troubleshooting of electrical faults.

Bodywork Plastics:

Fairing, seat, fuel tank cover, fenders, and graphics removal, installation, and maintenance.

Basic Maintenance:

Oil changes, filter replacements (air and oil if applicable), chain lubrication and adjustment, spark plug replacement, and general inspection procedures.

Engine Rebuild:

Complete top-end and bottom-end engine rebuild procedures, including torque specifications for critical fasteners.

Suspension Servicing:

Fork seal replacement, fork oil and level adjustments, shock absorber service, and linkage bearing maintenance.

Brake System Service:

Brake pad replacement, caliper service, master cylinder rebuild, and brake fluid bleeding procedures.

Carburetor Tuning:

Carburetor cleaning, adjustment, jetting selection based on environmental conditions, and idle speed setting.

Troubleshooting Diagnostics:

Common problems and their solutions for engine performance, electrical issues, starting problems, and braking system malfunctions.

Wiring Diagrams:

Detailed electrical schematics for the motorcycle's systems.

Special Tools:

Identification and usage of specialized tools required for specific repair procedures.

Depth Level:

Comprehensive; covers everything from routine maintenance to complete engine and chassis overhauls.

Diagnostic Capabilities:

Detailed troubleshooting guides for identifying and resolving issues across all major systems.

Rebuild Procedures:

Step-by-step instructions for complete disassembly and reassembly of major components like the engine, transmission, and suspension.

📊 Manual Specifications

Type:

PDF

Resolution:

High-resolution (expected for OEM PDF).

Binding:

Not applicable (digital download).

Paper:

Not applicable (digital download).

⚙️ Engine Specifications

Type:

2-Stroke, Liquid-Cooled

Displacement:

249cc (approximate, common for 250cc class).

Bore X Stroke:

Specifics require manual consultation, typically around 66.4 x 72 mm for this era.

Combustion Chamber:

Details on compression ratio and combustion chamber design within the manual.

Horsepower:

Typically in the 40-50 HP range (specifics in manual).

Torque:

Specific torque figures would be detailed in the manual.

Carburetor:

Mikuni VM28SS or similar single Keihin PWK (common for this class, manual to confirm exact model and jetting).

Fuel Type:

Unleaded gasoline with 2-stroke oil pre-mix (manual will specify ratio, typically 32:1 or 40:1).

Premix System:

Manual mixing or automatic oil injection system (manual to confirm).

🔧 Transmission

Type:

6-Speed Constant Mesh

Variants:

CR models typically feature closer ratios for competition, WR models have wider ratios for versatility. Manual will detail specific gear ratios.

Clutch:

Wet Multi-plate, Cable or Hydraulic Actuated (manual to confirm).

Final Drive:

Chain Drive (manual will specify chain pitch and sprocket sizes).

📐 Dimensions

Wheelbase:

Approximately 1480-1500 mm (specifics in manual).

Seat Height:

Approximately 950-970 mm (specifics in manual).

Dry Weight:

Around 100-105 kg (specifics in manual).

Fuel Capacity:

Approximately 8-10 liters (specifics in manual).

🛡️ Safety Features

Crash Safety:

Not applicable for this off-road competition/enduro model; focus is on rider protection and control.

Braking System:

Powerful hydraulic disc brakes front and rear for effective stopping power.

Frame Design:

Sturdy chromoly steel or aluminum frame for rigidity and rider control.

💡 Technology Features

Features:

Not applicable; focus is on performance and mechanical systems, not rider comforts or electronics.

Features:

Not applicable; this is a pure off-road motorcycle.

Features:

Not applicable.

🔧 Maintenance

Oil Change Engine:

Crucial for 2-strokes; manual will specify for gearbox oil. Engine oil is via fuel pre-mix.

Air Filter Cleaning:

Frequent cleaning/replacement, especially in dusty conditions; manual will detail interval.

Spark Plug Replacement:

Regular checks and replacement recommended; manual will specify type and gap.

Suspension Service:

Fork oil changes and seal checks typically every 20-40 hours of use; manual will provide exact intervals.

Clutch Inspection:

Regular checks for wear and adjustment; manual will detail procedures.

Gearbox Oil:

Manual will specify SAE grade and API classification (e.g., SAE 80W/90 GL-4).

Coolant:

Manual will specify type (e.g., ethylene glycol based) and mixture ratio with distilled water.

Brake Fluid:

DOT 4 hydraulic brake fluid (standard for most modern motorcycles; manual to confirm).

Premix Oil:

Manual will recommend specific 2-stroke synthetic or semi-synthetic oil and pre-mix ratio.

Common Wear Items:

Piston rings, clutch plates, wheel bearings, fork seals, exhaust packing, and chain/sprockets are common wear items on off-road motorcycles of this age.

Potential Faults:

Carburetor jetting sensitivity to altitude/temperature, occasional electrical connector issues, and normal 2-stroke engine wear.

📚 Vehicle History

Origin:

Husqvarna Motorcycles, a Swedish brand with a long history in off-road racing and motorcycle development.

Cr Wr Lineage:

The CR (Competition) and WR (Wide Ratio/Enduro) lines represent Husqvarna's focus on dedicated off-road performance, with the 250cc two-stroke engine being a staple for decades.

Era Context:

2007 marked a period where European manufacturers like Husqvarna were refining their off-road platforms, incorporating modern suspension and chassis designs.

🏆 Awards & Recognition

Model Specific Awards:

While specific awards for the 2007 CR/WR 250 are not readily available, Husqvarna has a strong heritage in off-road motorsports, with models frequently recognized for performance and durability in their respective classes.