🏷️ Basic Information Identification Make: Yamaha Model: YFM200N Model Nickname: Moto-4 Production Years Covered: 1983, 1984, 1985, 1986 Codes Manual Product Code: Likely internal, not provided Vehicle Chassis Codes: YFM200N (specific VIN prefixes may vary by region) 👋 Introduction Market Position Vehicle Segment: Sport ATV / All-Terrain Vehicle Target Demographic: Recreational riders, utility users, entry-level ATV enthusiasts. Competitive Analysis Key Competitors Era: Early to mid-1980s sport ATVs from manufacturers like Honda (e.g., TRX200), Kawasaki (e.g., KLT200), Suzuki (e.g., ALT250), and possibly early Yamaha models like the YFM250R. Key Features Engine Configuration: Single-cylinder, air-cooled, two-stroke (common for this era, though 200cc can sometimes be 4-stroke, YFM200N is typically 2-stroke) or four-stroke. Transmission Type: Typically a 5-speed manual transmission with an automatic clutch or a semi-automatic transmission. Drivetrain Configuration: Shaft drive or chain drive, likely RWD for the YFM200N. 📋 Manual Details Coverage Areas Manual Type: Workshop Service Repair Manual Manual Scope: Complete Factory Official Service Manual Intended Audience: Yamaha Technicians, Professional Mechanics, DIY Enthusiasts Page Count Estimated Page Count: Hundreds of pages (actual count not specified, but indicative of comprehensive content) Language Language: English (Assumed for North American market product description) Format Download Format: PDF Download Printability: Printable in its entirety 📖 Manual Coverage Systems Covered Engine: Comprehensive coverage of engine disassembly, assembly, inspection, adjustment, and troubleshooting. Fuel System: Carburetor tuning, fuel pump operation, fuel line maintenance. Electrical System: Wiring diagrams, ignition system diagnosis and repair, lighting, charging system (stator, regulator/rectifier), battery maintenance. Drivetrain: Chain drive maintenance, sprocket inspection and replacement, gearbox operation and overhaul. Suspension: Front fork servicing, rear shock absorber inspection and replacement, linkage lubrication. Brakes: Drum brake inspection, adjustment, and component replacement (front and rear). Chassis And Body: Frame inspection, body panel removal and installation, seat, handlebars, fenders. Wheels And Tires: Tire pressure checks, wheel bearing inspection, rim maintenance. Procedures Included Maintenance Procedures: Oil changes, filter replacements, chain lubrication and adjustment, spark plug replacement, air filter cleaning/replacement, valve clearance checks. Diagnostic Procedures: Troubleshooting guides for common performance issues, starting problems, electrical faults. Repair Procedures: Step-by-step instructions for engine rebuilds, carburetor overhauls, brake system repairs, electrical component replacement. Adjustment Procedures: Carburetor idle and mixture adjustments, brake cable tension, clutch lever free play. Technical Depth Depth Of Information: Comprehensive factory-level detail, suitable for complete mechanical overhauls and advanced diagnostics. Special Tools: Likely lists required special Yamaha tools for specific procedures (e.g., flywheel puller, bearing drivers). Torque Specifications: Detailed torque values for critical fasteners throughout the vehicle. Clearances And Tolerances: Precise specifications for engine component clearances (e.g., piston ring gap, valve stem clearance). 📊 Manual Specifications File Format File Type: PDF Searchability: Presumed to be searchable text within the PDF for quick information retrieval. Print Quality Print Resolution: High resolution suitable for clear printing of text and diagrams. Binding Type Binding Style: N/A (Digital PDF download) Paper Type Paper Quality: N/A (Digital PDF download) ⚙️ Engine Specifications Primary Engine Engine Type: Air-cooled, 4-stroke, SOHC Displacement: 195 cc Bore X Stroke: 66.0 mm x 57.0 mm Compression Ratio: 9.7:1 Carburetor Model: Mikuni VM26SS (example, specific variant may differ) Performance Horsepower: Approximately 15-18 HP (estimated, actual figures vary by tuning and year) Torque: Approximately 12-14 lb-ft (estimated) Fuel System Fuel Type: Unleaded gasoline Fuel Tank Capacity: Approximately 2.6 US gallons (9.8 L) Ignition System Ignition Type: CDI (Capacitor Discharge Ignition) Cooling System Cooling Method: Air cooling 🔧 Transmission Standard Transmission Type: 5-speed manual with automatic clutch Optional Optional Transmission: N/A (Typically single transmission option for this model) Features Drive System: Shaft drive (RWD) Final Drive: Bevel gear (shaft drive) 📐 Dimensions Exterior Overall Length: Approximately 71.5 inches (1815 mm) Overall Width: Approximately 40.0 inches (1015 mm) Overall Height: Approximately 43.1 inches (1095 mm) Weights Dry Weight: Approximately 357 lbs (162 kg) Curb Weight: Not explicitly provided, but typically around 380-400 lbs with fluids. Ground Clearance: Approximately 6.3 inches (160 mm) Wheels And Tires Front Tire Size: AT22 x 8-10 (common for the era) Rear Tire Size: AT22 x 10-10 (common for the era) Front Wheel Type: Steel, 10-inch diameter Rear Wheel Type: Steel, 10-inch diameter 🛡️ Safety Features Ratings Atv Safety Standards: Adheres to industry standards for ATVs of its time; modern safety features not applicable. Active Features Braking System: Front and rear drum brakes. Throttle Limiter: Likely equipped with a throttle limiter screw for beginner control. Passive Features Lighting: Single halogen headlight, dual taillight/stoplight. Operator Control: Handlebar controls with clutch lever, throttle, and brake levers. 💡 Technology Features Infotainment Infotainment Systems: N/A (This is a 1980s utility/recreational ATV with no electronic infotainment systems). Driver Assistance Driver Assistance Features: N/A (No electronic driver assistance features). Connectivity Connectivity Options: N/A (No electronic connectivity features). 🔧 Maintenance Service Intervals Engine Oil Change: Every 600 miles or 6 months (typical for the era). Air Filter Cleaning: Every 600 miles or annually, depending on operating conditions. Spark...