Vehicle Segment:
        
        
            Dual-sport / Enduro motorcycle
        
     
    
        
            Brand Philosophy:
        
        
            GAS GAS is known for its focus on off-road and trial motorcycles, often emphasizing performance and handling.
        
     
    
    
        
            Key Competitors Era:
        
        
            KTM EXC series, Husqvarna TE series, Yamaha WR series, Honda CRF-X series, Suzuki DR-Z series.
        
     
    
    
        
            Motorcycle Purpose:
        
        
            Versatile on and off-road capability, designed for trail riding, enduro events, and potentially commuting.
        
     
    
        
            Manual Value Proposition:
        
        
            Provides cost savings on repairs and maintenance by enabling owners to perform work themselves. Essential for preserving vehicle value and performance.
        
     
 
    
    
    
        
            Manual Coverage Scope:
        
        
            Comprehensive service, repair, maintenance, and rebuilding
        
     
    
    
        
            Estimated Page Count:
        
        
            Likely 300-600 pages (typical for detailed workshop manuals, specific count not provided but implied by scope)
        
     
    
    
        
            Manual Type:
        
        
            Service/Repair/Workshop Manual
        
     
    
    
        
            Language:
        
        
            English (presumed, standard for international service manuals)
        
     
    
    
 
    
    
    
        
            Engine:
        
        
            Engine disassembly, assembly, diagnostics, tuning, lubrication system, cooling system, fuel system (carburetor or injection depending on specific model variant), ignition system, exhaust system.
        
     
    
        
            Transmission:
        
        
            Clutch operation and adjustment, gearbox disassembly and assembly, internal components, lubrication.
        
     
    
        
            Chassis And Suspension:
        
        
            Front fork (suspension, seals, oil levels), rear shock absorber, swingarm, linkage systems, bearings, steering head.
        
     
    
        
            Brakes:
        
        
            Brake system diagnostics, hydraulic system bleeding, pad replacement, caliper service, master cylinder service, brake fluid specifications.
        
     
    
        
            Electrical System:
        
        
            Wiring diagrams, component testing, charging system, lighting, ignition switch, starter motor, battery maintenance, fuses, relays.
        
     
    
        
            Fuel System:
        
        
            Carburetor overhaul and tuning (likely Keihin or Mikuni), fuel lines, fuel pump (if applicable), fuel tank maintenance.
        
     
    
        
            Cooling System:
        
        
            Radiator maintenance, coolant type and capacity, water pump service, thermostat function.
        
     
    
        
            Wheels And Tires:
        
        
            Tire pressure recommendations, wheel bearing maintenance, spoke tensioning (if applicable for spokes).
        
     
    
        
            Bodywork And Trim:
        
        
            Plastic panel removal and installation, seat, fenders, graphics.
        
     
    
    
        
            Maintenance Procedures:
        
        
            Regular servicing, oil changes, filter replacements, chain adjustment, valve clearance checks, spark plug replacement, brake fluid flush, coolant flush.
        
     
    
        
            Troubleshooting Guides:
        
        
            Diagnostic flowcharts for common starting, running, and electrical issues.
        
     
    
        
            Repair Procedures:
        
        
            Step-by-step instructions for component disassembly, repair, and reassembly.
        
     
    
        
            Rebuilding Procedures:
        
        
            Complete engine or gearbox rebuild instructions.
        
     
    
        
            Technical Data Tables:
        
        
            Torque specifications, clearances, fluid capacities, electrical resistance values.
        
     
    
    
        
            Depth Of Coverage:
        
        
            Extensive, covering everything from basic routine maintenance to full engine and gearbox overhauls, including diagnostics and component-level repair.
        
     
 
    
    
    
        
            Engine Type:
        
        
            Four-stroke (FSE designation)
        
     
    
        
            Engine Displacement Fse400:
        
        
            Approximately 400cc (specific cubic capacity requires consultation of detailed technical data for the exact model variant)
        
     
    
        
            Engine Displacement Fse450:
        
        
            Approximately 450cc (specific cubic capacity requires consultation of detailed technical data for the exact model variant)
        
     
    
        
            Engine Configuration:
        
        
            Single-cylinder, SOHC or DOHC (likely DOHC for this era and performance focus)
        
     
    
        
            Engine Cooling:
        
        
            Liquid-cooled
        
     
    
    
        
            Horsepower Estimate:
        
        
            Typically in the 40-55 HP range, depending on exact displacement and tuning (specific figures not provided but characteristic for the class)
        
     
    
        
            Torque Estimate:
        
        
            Competitive torque output for off-road applications (specific figures not provided but characteristic for the class)
        
     
    
    
        
            Fuel Delivery:
        
        
            Carburetor (likely Keihin FCR or similar high-performance carburetor, though fuel injection was emerging).
        
     
    
        
            Fuel Type Recommendation:
        
        
            Unleaded gasoline, octane rating as specified in the manual (typically 91-95 RON or 87-91 AKI).
        
     
 
    
    
    
        
            General Configuration:
        
        
            Dual-sport motorcycle chassis, designed for both standing and seated riding positions.
        
     
    
        
            Seat Height:
        
        
            Specific seat height varies by model year and suspension setup, but generally optimized for off-road maneuverability. Precise measurements in manual.
        
     
    
    
        
            Dry Weight:
        
        
            Likely in the range of 115-130 kg (250-285 lbs) depending on specific model variant. Precise figures in manual.
        
     
    
        
            Fuel Tank Capacity:
        
        
            Typically 7-10 liters (1.8-2.6 gallons). Precise capacity in manual.
        
     
 
    
    
    
        
            Crash Test Results:
        
        
            N/A (motorcycles are not subject to typical automotive crash testing standards).
        
     
    
    
        
            Braking System:
        
        
            Hydraulic disc brakes front and rear. Specific caliper and disc sizes detailed in manual.
        
     
    
        
            Suspension System:
        
        
            Adjustable front forks (e.g., Marzocchi or WP) and rear monoshock suspension, critical for stability and control on varied terrain.
        
     
    
    
        
            Lighting System:
        
        
            Headlight, taillight, brake light, turn signals (if street legal variant). Wiring for these systems is in the manual.
        
     
 
    
    
    
        
            Oil Change Interval:
        
        
            Typically every 10-20 hours of riding or every 3,000-5,000 km (specific recommendations in manual).
        
     
    
        
            Valve Clearance Check:
        
        
            Generally every 100-200 hours or annually. Precise intervals detailed in manual.
        
     
    
        
            Chain Maintenance:
        
        
            Lubrication and tension adjustment recommended every 500-1000 km and check before each ride.
        
     
    
    
        
            Engine Oil Type:
        
        
            High-quality motorcycle-specific 4-stroke engine oil, typically SAE 10W-40 or 10W-50, meeting JASO MA/MA2 standards. Specific API rating required in manual.
        
     
    
        
            Coolant Type:
        
        
            Ethylene glycol-based antifreeze/coolant mixture with corrosion inhibitors, usually a 50/50 mix with distilled water. Specific coolant type in manual.
        
     
    
        
            Brake Fluid Type:
        
        
            DOT 4 or DOT 5.1 hydraulic brake fluid. Specific type and replacement intervals in manual.
        
     
    
        
            Fork Oil Type:
        
        
            Specific fork oil viscosity and level (e.g., SAE 5W or 10W). Detailed in suspension section of manual.
        
     
    
    
        
            Common Wear Items:
        
        
            Clutch plates, brake pads, wheel bearings, steering head bearings, fork seals, spark plugs, air filters, chain and sprockets. Troubleshooting for these is in the manual.
        
     
    
        
            Carburetor Tuning Challenges:
        
        
            Tuning the carburetor for optimal performance across different altitudes and temperatures can require fine-tuning; manual provides detailed procedures.