Model Years Covered:
        
        
            1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
        
     
    
        
            Vehicle Type:
        
        
            ATV (All-Terrain Vehicle)
        
     
    
    
        
            Engine Code:
        
        
            Likely 3AT (specific codes may vary by year/region)
        
     
 
    
    
    
        
            Positioning:
        
        
            The Yamaha YFS 200 Blaster was a popular sport ATV known for its performance and affordability, appealing to recreational riders and entry-level racers.
        
     
    
        
            Target Audience:
        
        
            DIY enthusiasts, recreational riders, and mechanics seeking detailed repair and maintenance information.
        
     
    
    
        
            Competitors:
        
        
            Competed with models from Honda (e.g., TRX250R/X), Suzuki (e.g., LT250R), and Kawasaki (e.g., KXT250 Tecate) during its production run.
        
     
    
    
        
            Features:
        
        
            Lightweight design, torquey 2-stroke engine, agile handling, and a robust chassis contributed to its popularity.
        
     
 
    
    
    
        
            Coverage Scope:
        
        
            Comprehensive service, repair, and maintenance
        
     
    
    
        
            Estimated Page Count:
        
        
            Variable, likely 200-500+ pages depending on specific edition and compression
        
     
    
    
        
            Type:
        
        
            Service Repair Workshop Manual
        
     
    
    
    
    
        
            Format:
        
        
            Digital Download (PDF, ZIP, RAR, EXE)
        
     
 
    
    
    
        
            Engine:
        
        
            Engine assembly, disassembly, tuning, lubrication, cooling system
        
     
    
        
            Transmission:
        
        
            Clutch, gearbox operation, maintenance, lubrication
        
     
    
        
            Chassis:
        
        
            Frame, suspension (front and rear), steering system, wheels, tires
        
     
    
        
            Electrical:
        
        
            Ignition system, lighting, battery, wiring diagrams, charging system
        
     
    
        
            Fuel System:
        
        
            Carburetor, fuel tank, fuel lines, fuel filter
        
     
    
        
            Brakes:
        
        
            Brake system diagnosis, repair, fluid service, component replacement
        
     
    
        
            Bodywork And Controls:
        
        
            Handlebars, seating, body panels, locks, controls
        
     
    
        
            General Information:
        
        
            Includes general specifications, vehicle identification, safety precautions, and fundamental operating principles.
        
     
    
        
            Locks:
        
        
            Information on ignition switch, steering lock, and any other locking mechanisms.
        
     
    
        
            Seats System:
        
        
            Details on seat removal, installation, and any associated components.
        
     
    
    
        
            Maintenance:
        
        
            Routine maintenance, pre-ride inspections, lubrication schedules, filter replacements
        
     
    
        
            Troubleshooting:
        
        
            Diagnostic procedures for common problems, symptom-based troubleshooting guides
        
     
    
        
            Repair:
        
        
            Step-by-step instructions for component repair, rebuilds, and replacement
        
     
    
        
            Diagnostics:
        
        
            Detailed diagnostic flowcharts and procedures for all major systems
        
     
    
        
            Restoration:
        
        
            Provides guidance for restoring the ATV to its original specifications.
        
     
    
        
            Rebuild:
        
        
            Detailed procedures for rebuilding major components such as the engine, transmission, and suspension.
        
     
    
        
            Preventative Maintenance:
        
        
            Comprehensive preventative maintenance schedules and tasks to ensure longevity.
        
     
    
    
        
            Depth:
        
        
            Comprehensive, from basic maintenance to complete engine and transmission rebuilds
        
     
    
        
            Illustrations:
        
        
            Features zoomable illustrations, exploded views, and detailed component breakdowns.
        
     
    
        
            Part Numbers:
        
        
            Includes detailed part numbers for all aspects of the vehicle.
        
     
 
    
    
    
        
            File Types:
        
        
            PDF, ZIP, RAR, EXE (may require unzipping software like WinZip or WinRAR)
        
     
    
        
            Compatibility:
        
        
            Compatible with Windows, Linux, and Mac operating systems (requires PDF reader, unzipping software).
        
     
    
        
            File Size:
        
        
            Can be very large, up to 5 GB, due to detailed illustrations and data.
        
     
    
    
        
            Printability:
        
        
            Printable with no restrictions
        
     
    
    
        
            Binding:
        
        
            Not applicable (Digital Download)
        
     
    
    
        
            Paper:
        
        
            Not applicable (Digital Download)
        
     
 
    
    
    
        
            Engine Type:
        
        
            2-stroke, reed valve, liquid-cooled (later models may have air-cooled variants)
        
     
    
    
        
            Bore X Stroke:
        
        
            66.0 mm x 57.0 mm (typical)
        
     
    
        
            Compression Ratio:
        
        
            Approximately 6.8:1 (may vary by year)
        
     
    
        
            Carburetor:
        
        
            Mikuni VM26SS (typical, may vary)
        
     
    
    
        
            Horsepower:
        
        
            Estimated 20-25 HP (varies by year and tuning)
        
     
    
        
            Torque:
        
        
            Estimated 18-20 lb-ft (varies by year)
        
     
    
    
        
            Fuel Type:
        
        
            Unleaded gasoline (minimum 87 octane recommended)
        
     
    
        
            Fuel Mixture:
        
        
            Pre-mix (gasoline and 2-stroke oil)
        
     
    
        
            Oil Mixture Ratio:
        
        
            Typically 50:1 (refer to manual for exact specification)
        
     
 
    
    
    
        
            Type:
        
        
            6-speed manual with reverse
        
     
    
        
            Clutch:
        
        
            Wet multi-disc clutch
        
     
    
    
        
            Gear Ratios:
        
        
            Detailed gear ratios are provided within the manual for each gear and reverse.
        
     
    
        
            Final Drive:
        
        
            O-ring sealed chain drive
        
     
    
        
            Transmission Oil Type:
        
        
            Yamaha Gear Oil 10W-30 or equivalent SAE 80 API GL-4 hypoid gear oil (refer to manual for exact specification)
        
     
    
        
            Transmission Oil Capacity:
        
        
            Approximately 0.7 Liters (refer to manual for exact specification)
        
     
 
    
    
    
        
            Length:
        
        
            Approx. 1750 mm (may vary slightly by year)
        
     
    
        
            Width:
        
        
            Approx. 1100 mm (may vary slightly by year)
        
     
    
        
            Height:
        
        
            Approx. 1000 mm (may vary slightly by year)
        
     
    
    
        
            Dry Weight:
        
        
            Approx. 147 kg (may vary slightly by year)
        
     
    
        
            Curb Weight:
        
        
            Approx. 157 kg (with all fluids)
        
     
    
        
            Fuel Capacity:
        
        
            9.0 Liters (including reserve, may vary)
        
     
    
        
            Oil Capacity:
        
        
            0.6 Liters (for separate oil tank, may vary)
        
     
 
    
    
    
        
            Oil Change Engine:
        
        
            Check oil level frequently; refer to manual for specific replacement intervals for pre-mix or separate oil injection systems.
        
     
    
        
            Air Filter Cleaning:
        
        
            Clean and service air filter regularly, especially in dusty conditions (e.g., every 5-10 operating hours).
        
     
    
        
            Spark Plug Replacement:
        
        
            Recommended replacement every 1,000-2,000 km or as needed based on inspection.
        
     
    
        
            Chain Lubrication:
        
        
            Lubricate drive chain every 500 km or after riding in wet conditions.
        
     
    
    
        
            Engine Oil Type:
        
        
            High-quality 2-stroke oil specifically designed for air or liquid-cooled engines (use in pre-mix or injection system as applicable).
        
     
    
        
            Brake Fluid Type:
        
        
            DOT 3 or DOT 4 hydraulic brake fluid.
        
     
    
        
            Cooling System Fluid:
        
        
            If liquid-cooled: Mixture of antifreeze and distilled water (refer to manual for specific ratio and type).
        
     
    
    
        
            Common Problems:
        
        
            Potential for wear on suspension components, carburetor tuning sensitivity, reed valve wear, and cooling system maintenance (if liquid-cooled).
        
     
    
        
            Tune Up Recommendations:
        
        
            Regular carburetor cleaning and adjustment, ignition system checks, and exhaust port cleaning are beneficial for optimal performance.
        
     
 
    
    
    
        
            Heritage:
        
        
            Yamaha has a long-standing reputation for producing high-performance motorcycles and powersports vehicles, known for their engineering and reliability.
        
     
    
    
        
            Evolution:
        
        
            The YFS 200 Blaster was a significant model in Yamaha's ATV lineup, evolving over its production run with minor updates to styling, suspension, and some engine components. It set a benchmark for its class.
        
     
    
        
            Key Changes:
        
        
            While core design remained consistent, minor improvements in suspension, braking, and aesthetics were introduced across model years.
        
     
    
    
        
            Production Period:
        
        
            1988-2006