🏷️ Basic Information Identification Make: Yamaha Model: ATC Tri-Moto Sub Model: YTM200ERN, YTM200EK, YTM200EL Model Years Covered: 1983, 1984, 1985, 1986, 1987 Vehicle Type: All-Terrain Vehicle (ATV) 👋 Introduction Market Position Target Audience: Yamaha ATC Tri-Moto owners and independent repair shops Competitive Analysis Advantage Over Competitors: Improved PDF features (bookmarks, search), direct download (not zip), broad OS compatibility, printable, backup CD option Key Features Value Proposition: Comprehensive factory repair information, detailed diagrams, enhanced digital format for ease of use and accessibility Satisfaction Guarantee: Satisfaction Guaranteed or Money Back 📋 Manual Details Coverage Areas Primary Coverage: Comprehensive Repair and Service Page Count Estimated Page Count: Hundreds (as stated in description) Manual Type Type: Factory Repair Manual Language Language: English Format Format: PDF Download Features Digital Enhancements: Bookmarks, Sub-bookmarks, Searchable Text, Index Usability Navigation Advantage: Easy navigation, no need to dig through hundreds of pages Compatibility Operating Systems: All Windows, All Mac, All Linux Distribution File Packaging: Direct PDF (not a zip file) 📖 Manual Coverage Systems Covered Powertrain: Engine, Transmission (implied, as engine overhaul is mentioned) Chassis: Chassis, Steering/Frame, Suspension Fuel: Fuel Injection System Cooling: Cooling System Electrical: Electrical System, Wiring Diagrams Controls: Controls/Indicators Procedures Included Maintenance: Periodic Checks & Adjustments, Periodic Maintenance/Tune-Up Repair: Disassembly and Assembly (overhaul) of engine and other components Diagnostics: Troubleshooting Technical Depth Level Of Detail: Factory-level, suitable for professional mechanics and skilled DIYers Instructional Style: Step-by-step instructions with hundreds of diagrams 📊 Manual Specifications File Format Format: PDF Print Quality Printability: Printable pages Binding Type Binding: Digital (PDF download) - User can create own binding (e.g., CD backup) Paper Type Paper Quality For Printing: User dependent (standard paper when printing) ⚙️ Engine Specifications Primary Engine Engine Type: Air-cooled, 4-stroke, SOHC Displacement: 196 cc (for YTM200 models, often referred to as 200cc class) Bore X Stroke: 57.0 mm x 76.0 mm (Typical for 200cc Yamaha 4-stroke OHV/SOHC of this era) Compression Ratio: Approx. 9.2:1 (typical for this engine class) Performance Horsepower: Approx. 14-15 HP (estimated for models of this era and displacement) Torque: Not specified, but typically in the range of 12-14 lb-ft Fuel System Fuel Delivery: Carburetor (likely Mikuni VM series, e.g., VM22 or similar) for some sub-models, Fuel Injection System mentioned for others, indicating potential variations across the ERN/EK/EL designations or specific year updates. The manual explicitly lists 'Fuel Injection System' as a covered topic, suggesting at least some models feature FI. Fuel Type: Unleaded Gasoline Ignition System: CDI (Capacitor Discharge Ignition) Lubrication Type: Wet Sump Engine Oil Recommended Viscosity: Yamalube 4 (SAE 10W-30 or 10W-40 depending on temperature) Capacity: Approx. 1.5 - 1.8 Liters (including filter) 🔧 Transmission Standard Type: Automatic Transmission (likely Yamaha's 'Automatic Clutch' with a 3-speed or 4-speed gearbox, or a CVT in later iterations, though 'Automatic Clutch' is more probable for this era's YTM200) Drive System: 2WD (Rear Wheel Drive) Features Reverse: Included (common for this model series) Fluid Type Transmission Oil: Yamalube Gear Oil (or equivalent SAE 80 GL-4) 📐 Dimensions Exterior Length: Approx. 1945 mm (76.6 in) Width: Approx. 1070 mm (42.1 in) Height: Approx. 1035 mm (40.7 in) Weights Dry Weight: Approx. 161 kg (355 lbs) Payload Capacity: Not specified, typically around 100-150 lbs for this class Wheels Tires Front Tire Size: AT18 x 7-7 Rear Tire Size: AT20 x 10-9 Wheel Bolt Pattern: 4-lug (common for Yamaha ATVs of this era) 🛡️ Safety Features Ratings Crash Test Data: N/A (ATVs are not subject to typical automotive crash testing regulations) Active Features Braking System: Hydraulic disc front, Drum rear (typical configuration for this model) Passive Features Lighting: Headlight, Taillight/Brake light Throttle Limiter: Often present on beginner-friendly ATVs, manual would cover adjustment/removal 💡 Technology Features Infotainment Features: N/A (Basic functionality for its era, no complex infotainment systems) Driver Assistance Features: N/A (No electronic driver assistance features) Connectivity Features: N/A (No connectivity features) 🔧 Maintenance Service Intervals Oil Change: Every 1000 km or 12 months (or as per manual, typically 3-6 months for frequent use) Air Filter Cleaning: Every 6 months or as needed based on conditions Spark Plug Replacement: Approx. 5000 km or 1 year (check condition more frequently) Fluid Specifications Engine Oil Spec: Yamalube 4 SAE 10W-30 or 10W-40 (API SE, SF, SG or higher) Brake Fluid Spec: DOT 3 or DOT 4 Hydraulic Brake Fluid Known Issues Carburetor Issues: Clogged jets or incorrect adjustment due to fuel degradation or dirt ingress Electrical Issues: Corroded connections, stator or ignition coil failure (common in older vehicles exposed to elements) Engine Wear: Piston ring wear, valve seat issues from high mileage or poor maintenance Fuel Injection System: If equipped with FI, potential for clogged injectors, fuel pump issues, or sensor failures 📚 Vehicle History Brand Heritage Yamaha Motorsports: Yamaha has a long and distinguished history in motorsports, including a pioneering role in the ATV market with models like the...