Target Audience:
        
        
            Do-it-yourself owners and experienced mechanics
        
     
    
        
            Segment:
        
        
            Performance-oriented two-stroke enduro motorcycle.
        
     
    
    
        
            Value Proposition:
        
        
            Inexpensive way to keep vehicle working properly, save money on repairs
        
     
    
    
        
            Manual Utility:
        
        
            Comprehensive repair and service information, detailed illustrations, diagrams, wiring schematics, specifications, step-by-step instructions
        
     
    
        
            Completeness:
        
        
            100% complete and intact manual, downloadable instantly.
        
     
 
    
    
    
        
            Regions Covered:
        
        
            USA, Canada (CDN), Europe (EUR), Australia (AUS)
        
     
    
    
    
    
        
            Type:
        
        
            Service Repair Manual
        
     
    
        
            Purpose:
        
        
            Comprehensive guide for repair, maintenance, refurbishment, and restoration.
        
     
    
    
    
    
 
    
    
    
        
            Engine Systems:
        
        
            Engine disassembly, overhauling, re-assembly, cooling system, H.T.S. exhaust valve, full power engine (racing use)
        
     
    
        
            Chassis Systems:
        
        
            Frame, suspensions, wheels, brakes
        
     
    
        
            Electrical Systems:
        
        
            Electric system, wiring schematics
        
     
    
        
            Special Components:
        
        
            H.T.S. (Husqvarna Torque System) exhaust valve operation and maintenance detailed.
        
     
    
        
            Fuel System:
        
        
            Carburetor disassembly, cleaning, and adjustment procedures.
        
     
    
        
            Lubrication System:
        
        
            Two-stroke premix lubrication, oil injection system details (if equipped, though typically premix for WR).
        
     
    
    
        
            Maintenance And Repair:
        
        
            Complete tear down and rebuild, maintenance, troubleshooting, settings and adjustments, general operations, diagnostics, repair procedures
        
     
    
        
            Troubleshooting:
        
        
            Detailed troubleshooting guide for common problems and symptoms is provided.
        
     
    
        
            Settings Adjustments:
        
        
            Covers adjustments for carburetor, suspension, clutch, and brakes.
        
     
    
    
        
            Level Of Detail:
        
        
            Comprehensive, step-by-step instructions based on complete disassembly, detailed illustrations, diagrams, hundreds of photos
        
     
    
        
            Diagnostic Capabilities:
        
        
            Covers diagnostic procedures for electrical and mechanical systems.
        
     
    
        
            Specific Tools:
        
        
            Lists specific tools required for various maintenance and repair operations.
        
     
 
    
    
    
        
            Compatibility:
        
        
            All Versions of Windows, Mac, Linux OS, iPhone, iPad, Android
        
     
    
        
            Digital Features:
        
        
            Searchable text for quick information retrieval, zoomable pages, printable.
        
     
    
    
        
            Quality:
        
        
            High-quality, searchable, complete and intact (no missing/corrupt pages)
        
     
    
    
        
            Binding:
        
        
            Digital Download (PDF)
        
     
    
    
        
            Physical Format:
        
        
            Not Applicable (Digital)
        
     
 
    
    
    
        
            Engine Type:
        
        
            Two-stroke, liquid-cooled
        
     
    
        
            Displacement Wr250:
        
        
            249cc
        
     
    
        
            Displacement Wr300:
        
        
            293cc
        
     
    
        
            Bore X Stroke Wr250:
        
        
            Specific bore and stroke figures will be detailed in the manual.
        
     
    
        
            Bore X Stroke Wr300:
        
        
            Specific bore and stroke figures will be detailed in the manual.
        
     
    
    
        
            Power Delivery:
        
        
            Designed for off-road and enduro riding, including full power racing use variants
        
     
    
    
        
            Fuel Delivery:
        
        
            Carbureted (likely Mikuni TMX or similar, specific details in manual)
        
     
    
    
        
            Cooling Type:
        
        
            Liquid-cooled with radiator.
        
     
    
    
        
            Key Procedures:
        
        
            Detailed instructions for cylinder head, cylinder, piston, connecting rod, crankshaft, and gearbox servicing.
        
     
 
    
    
    
        
            Features:
        
        
            Basic instrumentation focused on essential riding information (speed, odometer, trip meter, indicator lights). No advanced infotainment systems.
        
     
    
    
        
            Features:
        
        
            No electronic driver assistance features typical of modern vehicles; focus is on rider control and mechanical feedback.
        
     
    
    
        
            Features:
        
        
            No electronic connectivity features.
        
     
 
    
    
    
        
            General Maintenance:
        
        
            Manual details specific intervals for oil changes, filter cleaning/replacement, spark plug, chain adjustment, and valve (if applicable for 2-stroke exhaust port) checks.
        
     
    
        
            Engine Rebuild Interval:
        
        
            While not a specific interval, the manual provides all procedures for complete engine overhaul, allowing for proactive rebuilding based on usage and condition.
        
     
    
    
        
            Engine Oil:
        
        
            Specific two-stroke premix oil required (e.g., Motorex or equivalent, manual will specify ratio and type).
        
     
    
        
            Coolant:
        
        
            Specific type of antifreeze/coolant for liquid-cooled engines (manual will provide specifications).
        
     
    
        
            Gearbox Oil:
        
        
            Specific transmission oil (e.g., Motul Gear Oil or equivalent, manual will specify viscosity and type).
        
     
    
        
            Brake Fluid:
        
        
            DOT 4 recommended for hydraulic brake systems (verify specific requirements in manual).
        
     
    
    
        
            Common Wear Items:
        
        
            Piston rings, spark plugs, clutch plates, wheel bearings, chain and sprockets are common wear items on performance off-road motorcycles of this era. The manual will guide on inspection and replacement.
        
     
    
        
            General Maintenance Tips:
        
        
            Emphasis on regular cleaning, chain lubrication, and pre-ride checks for off-road conditions.
        
     
    
    
        
            Torque Settings:
        
        
            Comprehensive list of torque specifications for critical engine, chassis, and fastener points is included.
        
     
 
    
    
    
        
            Brand Focus:
        
        
            Husqvarna has a long history of producing off-road and enduro motorcycles, known for their performance and European heritage.
        
     
    
    
        
            Wr Series Development:
        
        
            The WR series are Husqvarna's dedicated two-stroke enduro competition bikes, evolving through various chassis and engine updates to maintain performance leadership.
        
     
    
    
        
            Manufacturing Origin:
        
        
            Likely Europe (historically Sweden, later Italy under different ownership)