The Yamaha Blaster YFS200, introduced in 1988, is a highly regarded All-Terrain Vehicle (ATV) known for its reliable two-stroke engine, nimble handling, and accessible performance. Positioned as an entry-level to mid-range sport ATV, it was a popular choice for recreational trail riding and general off-roading, competing effectively with other models of its era through its blend of affordability and engaging riding characteristics. The Blaster's lightweight design and manageable power delivery made it a favorite among riders, supported by a strong aftermarket presence that further enhanced its appeal. This comprehensive service manual provides detailed guidance for the maintenance, repair, and troubleshooting of the 1988 Yamaha Blaster YFS200. It covers all essential systems, including the engine, fuel, ignition, transmission, suspension, braking, and electrical systems, offering step-by-step instructions for disassembly, repair, and reassembly. The manual also includes crucial technical specifications, routine maintenance procedures, and diagnostic information, serving as an indispensable resource for owners and technicians alike to ensure the longevity and optimal performance of their vehicle. 🏷️ Basic Information Identification Make: Yamaha Model: Blaster Model Code: YFS200 Year: 1988 Vehicle Type: All-Terrain Vehicle (ATV) Product Name: Yamaha Blaster (YFS 200) 1988 Service Manual PDF Download Codes Internal Product Identifier: YAM-YFS200-1988-SM-PDF 👋 Introduction Market Position Vehicle Market Segment: Entry-level to mid-range sport ATV, popular for recreational trail riding and general off-roading. Competitive Analysis Competitors: Competed against models like the Suzuki Quadsport LT250R and Kawasaki Mojave KSF250 in its era. Key Features Primary Selling Points: Reliable two-stroke engine, manageable power delivery, lightweight and nimble handling, affordability, and a strong aftermarket support. Manual Value Proposition User Benefit: Essential tool for owners to maintain, repair, and troubleshoot their Yamaha Blaster, saving money on labor costs and ensuring longevity of the vehicle. Manual Availability Download Method: Instant download, providing immediate access to the service information. 📋 Manual Details Coverage Areas Manual Coverage: Complete service, repair, maintenance, and troubleshooting for the 1988 Yamaha Blaster YFS200. Page Count Estimated Page Count: Likely 300-500 pages (typical for comprehensive service manuals of this era, specific count not provided). Manual Type Type: Service Manual / Workshop Manual Language Language: English Format Format: PDF Compatibility Software Compatibility: Compatible with Windows operating systems. 📖 Manual Coverage Systems Covered Engine Mechanical: Complete engine tear down, rebuild, cylinder head, piston, crankshaft, lubrication system, cooling system (air-cooled). Fuel System: Carburetor (Mikuni VM series), fuel tank, fuel lines, fuel filter, fuel pump (if applicable). Ignition System: CDI ignition system, stator, flywheel, spark plug, wiring. Transmission Drivetrain: Manual transmission (5-speed), clutch operation and adjustment, final drive (chain), rear axle. Suspension System: Front and rear suspension, shock absorbers, A-arms, steering knuckles, pivot points, adjustments. Braking System: Front and rear drum brakes, brake pedal, brake cables, adjustment procedures. Electrical System: Wiring diagrams, lighting system, battery, starter system, kill switch, handlebars controls. Chassis Frame: Frame integrity inspection, mounting points, steering column. Bodywork Body Panels: Removal and installation of fenders, plastic body panels, seat. Procedures Included Maintenance: Routine maintenance checks, oil changes, filter replacements, chain lubrication and adjustment, spark plug replacement, air filter cleaning/replacement. Troubleshooting: Diagnostic procedures for common issues, symptom-based troubleshooting guides. Repair Rebuild: Complete step-by-step instructions for component disassembly, inspection, repair, and reassembly. Technical Specifications: Torque specifications for all fasteners, engine timing, valve clearances (if applicable), electrical component testing values. Parts Identification: Detailed part diagrams illustrating component relationships and part numbers for ordering. Technical Depth Depth: Comprehensive, covering everything from basic rider maintenance to full engine and transmission overhauls. Suitable for professional mechanics and experienced DIY enthusiasts. 📊 Manual Specifications File Format File Format: Adobe PDF Print Quality Printability: Fully printable, allowing users to print specific pages or sections as needed. Binding Type Binding: Digital (PDF download - no physical binding). Paper Type Paper Type: Not Applicable (Digital format). Visual Aids Illustrations: Numerous high-quality pictures and diagrams are included to aid in understanding procedures and part identification. Searchability Text Search: PDF format typically allows for text searching of keywords within the document. ⚙️ Engine Specifications Primary Engine Engine Type: Two-stroke, single-cylinder Engine Displacement: 195cc (or 200cc class) Cooling System: Air-cooled Bore X Stroke: Approximately 66mm x 57mm (typical for this engine, exact specs in manual). Performance Horsepower: Estimated 15-20 HP (power output can vary slightly). Torque: Not specified in product info, but characteristic of a recreational trail ATV. Fuel System Carburetor Model: Mikuni VM series (likely a VM26 or similar). Fuel Type: Unleaded gasoline Oil Mixture: Requires pre-mix of two-stroke oil and gasoline (typically 50:1 ratio, confirmation in manual). 🔧 Transmission Standard Transmission Type: 5-speed manual transmission with reverse Optional Optional Gearbox: N/A Features Clutch Type: Wet, multi-plate Drive Type: Shaft drive to rear axle (via chain). 📐 Dimensions Exterior Length: Approx. 1700 mm (66.9 in) - specific value for 1988 model from manual. Width: Approx. 1100 mm (43.3 in) - specific value for 1988 model from manual. Height: Approx. 1020 mm...