🏷️ Basic Information Identification Make: Yamaha Model: YFM200 Moto-4 Model Variants Covered: YFM200, YFM200N, YFM200DXS Moto-4, YFM200DXT Moto-4 Shaft Reverse, YFM200DXU Moto-4 Shaft Reverse Product Type: Repair Manual / Factory Service Manual Generation Model Years Covered: 1984, 1985, 1986, 1987, 1988 Codes Product Name: 1984-1988 Yamaha YFM200 Moto-4 Repair Manual 👋 Introduction Market Position Vehicle Segment: Entry-level to mid-range All-Terrain Vehicle (ATV), popular for recreational use and light utility tasks in its era. Competitive Analysis Competitors: Competed with other ATVs of similar displacement from brands like Honda (e.g., TRX200), Suzuki (e.g., LT230), and Kawasaki (e.g., KLF220). Key Features Vehicle Strengths: Known for its reliable air-cooled engine, shaft drive (offering reduced maintenance compared to chain drive), and comfortable rider ergonomics for its class. The reverse gear on DX models was a significant advantage. 📋 Manual Details Coverage Areas General Information: Included Maintenance: Included Fuel System: Included Cooling System: Included Engine: Included Transmission: Included Clutching: Included Final Drive: Included Body And Frame: Included Steering And Suspension: Included Brakes: Included Electrical System: Included Wiring Diagrams: Included Troubleshooting: Included Page Count Estimated Page Count: Approximately 300-500 pages (typical for factory service manuals of this era, exact count not provided) Manual Type Type: Factory Service Manual / Repair Manual Language Language: English (assumed based on product description and common industry practice) Format Digital Format: Downloadable PDF 📖 Manual Coverage Systems Covered Engine Mechanical: Comprehensive coverage including disassembly, inspection, repair, and reassembly of engine components (pistons, rings, cylinders, crankshaft, camshaft, valves, etc.). Fuel Delivery: Detailed instructions for the carburetor (cleaning, adjustment, jetting), fuel lines, fuel pump (if applicable), and fuel tank. Lubrication System: Information on oil pump, oil passages, oil filter, and oil change procedures. Cooling System: Details on air cooling system, including shrouding, fins, and any related components. Ignition System: Coverage of CDI unit, ignition coil, spark plug, and related wiring. Transmission And Drivetrain: In-depth procedures for transmission overhaul, clutch operation, and final drive system maintenance (shaft drive). Suspension System: Front and rear suspension component removal, installation, and service, including shock absorbers and linkages. Steering System: Steering column, tie rods, and steering linkage maintenance and repair. Braking System: Front and rear brake component service, including hydraulic lines, master cylinders, calipers, brake shoes/pads, and drums/rotors. Electrical Components: Headlight, taillight, turn signals, battery, starter motor, lighting, and accessory electrical system service. Chassis And Body: Frame inspection, plastic body panel removal and installation, seat, and fender service. Procedures Included Disassembly And Assembly: Step-by-step procedures for removing, installing, and reassembling all major vehicle components and systems. Routine Maintenance: Detailed guidance on oil changes, filter replacements, spark plug service, air filter cleaning, lubrication points, and general inspections. Troubleshooting Guides: Diagnostic procedures for identifying and resolving common mechanical and electrical issues, often presented in a symptom-based format. Technical Specifications: Crucial data like torque specifications, clearances, timing settings, electrical resistances, and fluid capacities. Diagrams And Illustrations: Exploded views of components, assembly diagrams, and illustrative pictures to aid in repair and identification. Electrical Diagnostics: Methods for testing circuits, components, and diagnosing electrical faults using multimeters and wiring diagrams. Technical Depth Depth: Comprehensive, covering everything from basic maintenance to complete engine and transmission overhauls. Designed for skilled technicians and advanced DIY enthusiasts. 📊 Manual Specifications File Format Format Details: Digital PDF, designed for easy download and viewing on various devices without special software. Likely includes searchable text for efficient navigation. Print Quality Quality Description: Identical to a printed book, implying high-resolution scans of original factory documentation with clear text and legible diagrams. Binding Type Binding: N/A (Digital PDF) Paper Type Paper Type: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine Type: Air-cooled, 4-stroke, SOHC Engine Displacement: 196cc (approximately, based on common YFM200 specifications) Bore X Stroke: Typically around 61.0 mm x 67.0 mm (verify specific model for exact figures) Compression Ratio: Likely in the range of 8.7:1 to 9.5:1 (verify specific model) Performance Horsepower: Estimated 14-17 HP (at the crankshaft, for its era) Torque: Estimated 11-13 lb-ft (at the crankshaft, for its era) Fuel System Carburetor Type: Mikuni VM Series (likely VM26 or similar, verify specific model) Fuel Type: Unleaded gasoline Fuel Tank Capacity: Typically around 2.0-2.5 gallons (verify specific model) 🔧 Transmission Standard Transmission Type: 5-speed manual with automatic clutch, or 6-speed manual with automatic clutch (verify specific model for 5 vs 6-speed variants). Optional Reverse Gear: Available on DX models (DXT, DXU) Features Drive System: Shaft drive to rear wheels (all models) Clutch Type: Automatic (wet, multi-plate) 📐 Dimensions Exterior Length: Approx. 74-78 inches (verify specific model) Width: Approx. 41-44 inches (verify specific model) Height: Approx. 42-45 inches (verify specific model) Weights Dry Weight: Approx. 340-360 lbs (verify specific model) Ground Clearance: Typically around 5-7 inches (verify specific model) 🛡️ Safety Features Ratings Atv Safety Standards: Adhered to general ATV safety guidelines of the era; specific ratings not applicable in modern...