The sport ATV, model code YFS200, is a sport ATV produced from 1988 to 2006. Renowned for its approachable nature and enjoyable performance, the Blaster has been a popular choice for recreational riders and those new to the sport ATV segment. Its design emphasizes core mechanicals and rider control, featuring a 195 cc two-stroke, liquid-cooled, single-cylinder engine paired with a six-speed manual transmission and automatic clutch. With its robust production run, the legacy of reliable powersports vehicles underpins the Blaster's reputation for durability and fun. This comprehensive workshop service manual provides detailed guidance for all aspects of maintenance and repair for the sport ATV YFS200. It covers essential systems including the engine, transmission, suspension, brakes, electrical, fuel, cooling, exhaust, frame, body, and steering. The manual offers step-by-step procedures for disassembly, assembly, adjustments, and rebuilding, supported by extensive illustrations, diagrams, and specifications. It is an indispensable resource for owners and technicians seeking to ensure the optimal performance and longevity of their Blaster. 🏷️ Basic Information Identification Make: Yamaha Model: Blaster Model Code: YFS200 Generation Model Years Covered: 1988-2006 👋 Introduction Market Position Vehicle Segment: Sport ATV (All-Terrain Vehicle) Competitive Analysis Key Competitors: Honda TRX250R, Suzuki LT250R, Kawasaki Mojave 250 Key Features Manual Purpose: Enabling owners and technicians to perform all aspects of repair and maintenance. Manual Strength: Comprehensive coverage, detailed procedures, and extensive illustrations. 📋 Manual Details Coverage Areas Manual Type: Workshop Service Manual Language: English Format: PDF Download Page Count: 270 Delivery Method: Instant Download Printability: Yes Software Requirement: Adobe Reader Compatibility: Windows, Mac, Linux OS 📖 Manual Coverage Systems Covered Engine: Complete service, repair, removal, installation, disassembly, assembly, troubleshooting, adjustments, specifications Transmission: Complete service, repair, removal, installation, disassembly, assembly, troubleshooting, adjustments, specifications Suspension: Complete service, repair, removal, installation, disassembly, assembly, troubleshooting, adjustments, specifications Brakes: Complete service, repair, removal, installation, disassembly, assembly, troubleshooting, adjustments, specifications Electrical System: Complete service, repair, removal, installation, troubleshooting, adjustments, specifications, wiring diagrams Fuel System: Complete service, repair, removal, installation, troubleshooting, adjustments, specifications Cooling System: Complete service, repair, removal, installation, troubleshooting, adjustments, specifications Exhaust System: Complete service, repair, removal, installation, troubleshooting, adjustments, specifications Frame And Body: Complete service, repair, removal, installation, disassembly, assembly, troubleshooting, adjustments, specifications Steering: Complete service, repair, removal, installation, troubleshooting, adjustments, specifications Procedures Included Preventive Maintenance: Detailed schedules, fluid checks, lubrication points Troubleshooting: Diagnostic flowcharts, symptom analysis, common issues Disassembly Assembly: Step-by-step instructions with pictorial diagrams Adjustments: Carburetor tuning, chain tension, brake adjustments Rebuilding: Engine rebuild procedures, component overhauls Electrical Diagnostics: Component testing, circuit tracing, fault diagnosis Technical Depth Diagnostic Capabilities: Advanced diagnostic procedures, use of specialized tools Repair Instructions: Detailed, comprehensive step-by-step procedures Illustrations And Diagrams: Pictorial diagrams, exploded views, drawings, photos Special Tool References: Identification and usage of required special service tools Wear Limits And Specifications: Precise measurements, tolerances, and factory specifications 📊 Manual Specifications File Specifications File Format: PDF File Quality: High resolution, printable pages Searchability: Likely text-searchable PDF (depending on source scan quality) Binding Type: N/A (Digital Download) Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type: 2-stroke, Reed Valve, Liquid-Cooled, Single-Cylinder Displacement: 195 cc (11.89 cu in) Bore X Stroke: 66.0 mm x 57.0 mm (2.60 in x 2.24 in) Compression Ratio: 7.1:1 Performance Horsepower Estimated: Approximately 20-25 HP (varies by year and tuning) Torque Estimated: N/A (not typically advertised for this segment) Fuel System Carburetor: Mikuni VM26SS Fuel Type: Unleaded gasoline (minimum 87 octane recommended) Oil Mixing: Pre-mix (specific ratio detailed in manual) 🔧 Transmission Standard Transmission Type: 6-speed manual with automatic clutch Clutch Type: Wet, multiple disc, automatic Final Drive: O-ring sealed chain Features Reverse Gear: No 📐 Dimensions Exterior Length: Approx. 1750 mm (68.9 in) Width: Approx. 1130 mm (44.5 in) Height: Approx. 1015 mm (40.0 in) Weights Dry Weight: Approx. 144 kg (317 lbs) Fuel Capacity: Approx. 9.5 L (2.5 gal) Oil Capacity: Approx. 1.2 L (1.3 qt) for transmission/crankcase 🛡️ Safety Features Ratings Atv Safety Considerations: Designed for off-road use only. Operator must wear appropriate safety gear. Active Features Braking System: Front: Dual hydraulic disc; Rear: Single hydraulic disc Passive Features Handlebar Design: Wide handlebars for control and stability Footwells: Wide, cleated footwells for grip and protection 💡 Technology Features Infotainment Instrumentation: Basic digital/analog display for speed, engine hours, neutral indicator, and warning lights. Driver Assistance Atv Features: Focus on core mechanicals and rider control rather than electronic aids. Connectivity Connectivity Options: N/A 🔧 Maintenance Service Intervals Oil Change Interval: Refer to manual for specific hours/mileage, typically every 20-40 hours or annualy. Spark Plug Replacement: Check and clean at intervals specified in manual; replace as needed (e.g., NGK BR7ES or equivalent). Air Filter Cleaning: Frequent cleaning/replacement recommended, especially in dusty conditions. Chain Lubrication And Adjustment: Regular intervals, crucial for drivetrain longevity and performance. Fluid Specifications Transmission Oil Type: Yamaha Yamalube 2R or equivalent high-quality 2-stroke engine oil (for premix). Coolant...