This workshop repair service manual provides comprehensive guidance for the YFM200, also known as the Moto-4 ATV, covering model years 1983 through 1986. Engineered by a company renowned for its commitment to quality and reliability, the YFM200 ATV was designed for both recreational riding and utility purposes. Its robust construction and user-friendly design made it a notable entry in the early ATV market, offering dependable performance for a variety of terrains. This manual details the vehicle's 196 cc air-cooled, 4-stroke engine, 5-speed manual transmission with automatic clutch, and shaft drive system, all contributing to its reputation for durability. The scope of this English-language manual is extensive, covering all aspects of repair, overhaul, and maintenance. It includes detailed procedures for the engine, transmission, fuel, ignition, lubrication, exhaust, electrical, bodywork, suspension, and braking systems. Furthermore, it provides step-by-step instructions for routine maintenance, tune-ups, component removal and installation, and troubleshooting common issues. This resource is invaluable for YFM200 owners, independent repair shops, and professional ATV technicians, offering dealership-level repair information to ensure the vehicle remains in optimal working condition. 🏷️ Basic Information Identification Make: Yamaha Model: YFM200 Model Nickname: Moto-4 Body Style: ATV (All-Terrain Vehicle) Years Covered By Manual: 1983, 1984, 1985, 1986 👋 Introduction Market Position Target Audience: Yamaha YFM200 owners, independent repair shops, and professional ATV technicians. Competitive Analysis Value Proposition: Provides dealership-level repair information at a fraction of the cost, empowering users to perform their own maintenance and repairs. Key Features Completeness: A complete service manual containing all necessary instructions for repair, overhaul, and maintenance. Diagnostic Capabilities: Offers diagnostic and repair procedures to guide technicians through troubleshooting issues. Proprietary Component Integration: Includes instructions for proprietary components from manufacturers, ensuring a holistic approach to repairs. Technical Accuracy: Endeavors to ensure accuracy of all information presented, based on original Yamaha specifications. 📋 Manual Details Coverage Areas Manual Scope: Comprehensive repair, overhaul, maintenance, and troubleshooting for Yamaha YFM200 models 1983-1986. Page Count Total Pages: 282 Manual Type Manual Type: Workshop Repair Service Manual Language Language: English Format File Format: PDF Delivery Method: Electronic Delivery via Email 📖 Manual Coverage Systems Covered Engine: Detailed repair and overhaul procedures for the entire engine assembly. Transmission: Complete disassembly, assembly, and repair for the transmission system. Fuel System: Carburetor service, fuel tank, fuel lines, and fuel pump (if applicable). Ignition System: Ignition timing, spark plugs, CDI unit, and related components. Lubrication System: Oil pump, oil passages, and lubrication maintenance procedures. Exhaust System: Muffler, exhaust pipes, and related hardware. Electrical System: Wiring diagrams, lighting, battery, charging system, and starter. Bodywork: Fenders, seat, handlebars, frame components, and cosmetic repairs. Suspension System: Front and rear suspension components, shocks, and linkages. Braking System: Brake levers, cables, drums, and related adjustments. Cooling System: Air-cooled engine specifics and heat management. Procedures Included Tune Ups: Detailed procedures for engine tune-ups and performance adjustments. Maintenance: Routine maintenance tasks, including oil changes, filter replacements, and lubrication. Removal And Installation: Step-by-step guides for removing and installing all major components. Assembly And Disassembly: Comprehensive instructions for taking apart and putting back together various assemblies. Troubleshooting: Diagnostic procedures for identifying and resolving common problems. Technical Depth Depth Of Coverage: Covers everything from basic maintenance to complete engine and transmission rebuilds, assuming general technician knowledge. 📊 Manual Specifications File Format Printability: Yes Searchability: Likely text-searchable within PDF viewer, enabling quick access to information. Print Quality Digital Quality: High quality digital reproduction, ensuring clarity of diagrams and text. Binding Type Binding Type: N/A (Digital PDF) Paper Type Paper Type: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine Type: Air-cooled, 4-stroke, SOHC Displacement: 196 cc (Cubic Centimeters) Bore X Stroke: Approx. 66.0 mm x 57.0 mm (Specific values may vary slightly by year, detailed in manual) Compression Ratio: Approx. 9.2:1 (Specific values may vary slightly by year, detailed in manual) Performance Horsepower: Estimated 15-17 HP (Actual figures may vary based on tuning and year, detailed in manual) Torque: Not explicitly stated in product info, but detailed within the manual. Fuel System Carburetor Type: Mikuni VM Series (e.g., VM26SS or similar, specific models detailed in manual) Fuel Type: Unleaded gasoline Fuel Capacity: Approx. 2.6 gallons (10 Liters) (Specific values may vary slightly by year, detailed in manual) 🔧 Transmission Standard Transmission Type: 5-speed manual with automatic clutch Optional Optional Transmission: N/A Features Drive System: Shaft drive (2WD) Reverse: Yes 📐 Dimensions Exterior Overall Length: Approx. 75.8 inches (1925 mm) (Specific values may vary slightly by year, detailed in manual) Overall Width: Approx. 39.6 inches (1005 mm) (Specific values may vary slightly by year, detailed in manual) Overall Height: Approx. 42.7 inches (1085 mm) (Specific values may vary slightly by year, detailed in manual) Weights Dry Weight: Approx. 384 lbs (174 kg) (Specific values may vary slightly by year, detailed in manual) Ground Clearance: Approx. 6.7 inches (170 mm) (Specific values may vary...