🏷️ Basic Information Identification Make: Yamaha Model: YFM200 Moto 4 Year: 1984 Product Type: Service Manual 👋 Introduction Market Position Vehicle Segment: Entry-level utility ATV (All-Terrain Vehicle) for recreational and light work use. Competitive Analysis Competitors 1984: Competed with other 200-250cc class ATVs from brands like Honda (e.g., TRX200), Kawasaki, and Suzuki. Key Features Atv Features: User-friendly, reliable, and relatively simple to operate and maintain, making it accessible to a broad range of riders. Manual Value Proposition Manual Benefit: Empowers owners and technicians with the necessary knowledge to perform accurate maintenance, diagnostics, and repairs, extending the lifespan and performance of the YFM200. 📋 Manual Details Coverage Areas Primary Coverage: Comprehensive service and repair for the 1984 Yamaha YFM200 Moto 4 ATV. Page Count Estimated Pages: Estimated 300-500 pages (typical for this era's comprehensive service manuals). Manual Type Type: Factory Service Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine: Detailed disassembly, inspection, assembly, and tuning of the 200cc engine, including cylinder, piston, crankshaft, valve train, and lubrication system. Carburetion: In-depth coverage of the carburetor system, including disassembly, cleaning, adjustment, jetting, and troubleshooting for optimal fuel delivery. Chassis: Maintenance and repair of the frame, suspension (front and rear), steering, and wheels. Electrical: Diagnosis and repair of the ignition system, lighting, starter motor, battery charging system, and wiring diagrams. Procedures Included Maintenance: Routine maintenance tasks, service intervals, lubrication points, and fluid level checks. Troubleshooting: Systematic troubleshooting guides for common operational issues and failures across all major vehicle components. Repair Overhaul: Detailed step-by-step procedures for engine rebuilds, transmission service, and component replacement. Technical Depth Depth: Comprehensive, covering from basic adjustments to complete engine and chassis overhauls, including specifications and tolerances. 📊 Manual Specifications File Format File Type: PDF (Portable Document Format) Print Quality Printability: High-resolution, suitable for printing all pages for workshop use. Binding Type Binding Recommendation: Recommended for spiral binding or professional comb binding for easy page turning and durability. Paper Type Paper Recommendation: Suggests printing on durable, semi-gloss paper for clarity and longevity in a workshop environment. ⚙️ Engine Specifications Primary Engine Engine Type: 4-stroke, SOHC (Single Overhead Camshaft) Displacement: 196cc (approx.) Bore X Stroke: Typical ~66.0 mm x 57.4 mm (refer to manual for exact figures) Compression Ratio: Typically around 9.0:1 to 9.5:1 (refer to manual for exact figures) Cooling System: Air-cooled Performance Horsepower Estimate: Approximately 12-15 HP at specified RPM (refer to manual for exact figures) Torque Estimate: Approximately 10-12 lb-ft at specified RPM (refer to manual for exact figures) Fuel System Fuel Delivery: Carburetor Carburetor Model Estimate: Mikuni VM Series (likely VM26 or similar, refer to manual for exact model and specifications) Fuel Type: Unleaded gasoline Lubrication Oil Type: API SE or SF Service Classification, SAE 10W-40 or 20W-40 (refer to manual for precise specification) Oil Capacity: Approximately 1.4 - 1.6 Liters (refer to manual for exact capacity) 🔧 Transmission Standard Transmission Type: Automatic (Torque Converter) Gear Selection: Forward (High/Low), Neutral, Reverse Features Drive Type: Shaft Drive Transmission Fluid Type: Yamalube 4 (or equivalent SAE 10W-30 API SE/SF) Transmission Fluid Capacity: Refer to manual for specific capacity for gearbox/differential. 📐 Dimensions Exterior Overall Length: Approximately 74 inches (refer to manual for exact figure) Overall Width: Approximately 41 inches (refer to manual for exact figure) Overall Height: Approximately 42 inches (refer to manual for exact figure) Weights Dry Weight: Approximately 350-370 lbs (refer to manual for exact figure) Ground Clearance: Approximately 7-8 inches (refer to manual for exact figure) Towing Capacity: Typically rated for light towing, consult manual for specific limits. 🛡️ Safety Features Ratings Atv Safety Standards: Designed to meet industry standards for ATV safety prevalent in the mid-1980s. Specific crash ratings are not applicable to ATVs in the same way as passenger cars. Active Features Braking System: Front: Drum brakes; Rear: Drum brake with shaft drive engagement. (Manual details adjustment and maintenance). Passive Features Operator Safety: The manual emphasizes safe operating practices, proper gear selection, and adherence to terrain limitations, integral to ATV safety. 💡 Technology Features Infotainment Atv Infotainment Features: Basic electrical systems; no modern infotainment features. Focus is on functional lighting, ignition, and starting. Driver Assistance Atv Assistance Features: No electronic driver assistance systems. Operation relies solely on rider input and mechanical controls. Connectivity Atv Connectivity: No connectivity features. The manual covers the purely mechanical and electrical systems of the vehicle. 🔧 Maintenance Service Intervals Oil Change Interval: Every 1,000 km or 6 months (typical, consult manual for exact mileage/time and severe use recommendations). Air Filter Cleaning: Inspect and clean every 500 km or every 3 months, replace as needed (refer to manual for specific interval and procedure). Spark Plug Replacement: Typically every 5,000 km or annually (check gap and condition more frequently, consult manual for precise interval and specification). Fluid Specifications Brake Fluid: DOT 3 or DOT 4 Brake...