Basic Information Identification Make: Yamaha Model: YFM200 Moto-4 Model Variant: 200 Production Years Covered: 1985, 1986, 1987, 1988, 1989 Sub Models Covered: YFM200N, YFM200DXS, YFM200DXT, YFM200U Codes Vehicle Type: All-Terrain Vehicle (ATV) Introduction Market Position Positioning: Targeted at owners and independent repair shops seeking dealership-level repair data for the Yamaha YFM200 Moto-4. Competitive Analysis Value Proposition: Provides essential information to maintain and repair the YFM200 Moto-4, saving significant costs compared to dealership labor. Key Features Features: Complete workshop data, detailed illustrations, step-by-step instructions, troubleshooting guides, official Yamaha procedures. Manual Details Coverage Areas Scope: Comprehensive service and repair Target Audience: DIY mechanics, technicians, owners Page Count Estimated Pages: Likely between 200-400 pages (typical for factory service manuals of this era) Manual Type Type: Factory Service Manual (FSM) / Workshop Manual Language Language: English Format Digital Format: PDF Manual Coverage Systems Covered Engine: Engine disassembly, assembly, repair, diagnostics, internal components (pistons, rings, valves, camshaft, crankshaft), timing Cooling System: Radiator, coolant, fan, hoses, water pump (if applicable) Carburetion: Carburetor inspection, cleaning, adjustment, overhaul, fuel delivery system Drive Train: Transmission (gears, shafts, bearings), clutch, final drive, driveshafts, differentials (if applicable) Chassis: Frame, suspension (front and rear), steering, wheels, brakes (hydraulic and mechanical components), body panels, seats Electrical: Ignition system, charging system (stator, regulator/rectifier), lighting, starting system, battery, wiring diagrams, switches, sensors Procedures Included Maintenance: Regular servicing, lubrication, fluid changes, filter replacements, adjustments Diagnostics: Troubleshooting guides, symptom-based diagnostics, fault finding procedures Repair: Detailed step-by-step instructions for component repair, overhaul, and replacement Rebuild: Engine rebuild, transmission rebuild, carburetor overhaul Restoration: Guidance for restoring components to original specifications Technical Depth Depth: In-depth technical information suitable for professional repair and extensive DIY projects. Detail Level: Detailed illustrations, exploded views, torque specifications, clearances, and diagnostic flowcharts. Manual Specifications File Format Format: PDF Searchability: Likely text-searchable if generated from OCR of original manual Print Quality Printability: Printable without restriction Binding Type Physical Binding: Not applicable (Digital format) Paper Type Physical Paper: Not applicable (Digital format) Engine Specifications Primary Engine Engine Type: Single-cylinder, 4-stroke Displacement: 196cc (approximate, based on '200' model designation) Bore X Stroke: Typically around 66mm x 57mm (specifics to be confirmed in manual) Cooling Method: Air-cooled Performance Horsepower: Estimated 12-15 HP (typical for this class of ATV in that era) Torque: Not explicitly stated, but designed for low-end grunt for off-road use. Fuel System Fuel Delivery: Carburetor Carburetor Model: Likely a Mikuni VM or similar model (specifics in manual) Ignition Ignition Type: CDI (Capacitor Discharge Ignition) Engine Components Valvetrain: SOHC (Single Overhead Camshaft) Transmission Standard Transmission Type: Automatic (Continuously Variable Transmission - CVT) or semi-automatic with clutch Drive System: 2WD (Rear-wheel drive) Optional Optional Drive: Not applicable for this model Features Gear Selection: Forward, Neutral, Reverse (specifics depend on transmission type) Fluid Requirements Transmission Fluid Type: Yamaha's recommended ATV gear oil or equivalent (specific viscosity and type in manual) Dimensions Exterior Wheelbase: Approx. 45.5 inches (1155 mm) (typical for the era) Ground Clearance: Approx. 6.3 inches (160 mm) (typical) Weights Dry Weight: Approx. 300-330 lbs (136-150 kg) (typical) Curb Weight: Approx. 330-360 lbs (150-163 kg) (typical with fluids) Safety Features Ratings Safety Standards: Designed to meet applicable ATV safety regulations of the time. No formal crash test ratings like cars. Active Features Braking System: Front: Drum or Disc; Rear: Drum or Disc (typically hydraulic) Lighting: Headlights, taillight, brake light Passive Features Seatbelt: Not equipped (ATVs do not use seatbelts) Roll Cage: Not equipped (ATVs are open-frame vehicles) Technology Features Infotainment Infotainment System: Not applicable (basic recreational vehicle of the era) Driver Assistance Assistance Features: Not applicable Connectivity Connectivity Features: Not applicable Maintenance Service Intervals Oil Change Interval: Typically every 1000 km or annually (refer to manual for exact recommendation) Air Filter Cleaning: Regular inspection and cleaning, especially in dusty conditions (frequency in manual) Spark Plug Replacement: Recommended at specific intervals or based on condition (refer to manual) Fluid Specifications Engine Oil Type: Yamalube or API SG/SH SAE 10W-40 or 20W-40 (specific recommendation in manual) Engine Oil Capacity: Approximately 1.5 - 2.0 liters (with filter change) - confirm in manual Brake Fluid Type: DOT 3 or DOT 4 brake fluid (confirm in manual) Known Issues Common Wear Items: Carburetor clogging due to fuel quality or sitting, electrical connections, brake component wear, suspension bushings. Tuning Considerations: Carburetor jetting adjustments may be needed for altitude or modifications. Vehicle History Brand Heritage Yamaha Motorsports: Yamaha has a long and established history in motorsports, including motorcycles, ATVs, and watercraft, known for reliability and performance. Model Evolution Moto 4 Line: The Moto-4 series was Yamaha's early foray into the recreational ATV market, emphasizing utility and reliability for trail riding and light work. Production Era: Produced during the golden age of ATV development in the mid-to-late 1980s. Market Segment: Entry-level to mid-range recreational ATV. Awards & Recognition Recognitions Industry Awards: No specific awards are documented...