This manual covers the Tri-Moto, a series of three-wheeled all-terrain vehicles produced from 1983 to 1986. Available in models such as the YTM200E, YTM200ER, YTM225DX, and YTM225DR, these vehicles were designed for sport and recreational use. Key features include a reliable four-stroke, air-cooled engine, shaft drive for reduced maintenance, and electric start for convenience. The Tri-Moto line represented a significant contribution to the popular three-wheeled ATV market of the 1980s, offering a robust and dependable option for riders. This Factory Service and Repair Manual provides comprehensive guidance for the maintenance, repair, and troubleshooting of your Tri-Moto. Across its 380 pages, it details procedures for the engine, transmission, chassis, suspension, and electrical systems. The manual includes scheduled maintenance, fluid changes, component rebuilds, and diagnostic guides for common issues. With factory-level accuracy, torque specifications, wiring diagrams, and clear visual aids, this English-language resource is an indispensable tool for owners and technicians seeking to ensure the optimal performance and longevity of their vehicle. 🏷️ Basic Information Identification Make: Yamaha Model: Tri-Moto Model Variants: YTM200E (aka Yamahauler), YTM200ER (aka Yamahauler), YTM225DX, YTM225DR Codes Internal Model Codes: YTM200EK, YTM200EL, YTM200ERN, YTM225DXK, YTM225DXL, YTM225DRN, YTM225DXN, YTM225DRS 👋 Introduction Market Position Segment: Sport/Recreational All-Terrain Vehicle (ATV) - Trike Competitive Analysis Competitors: Honda TRX series, Kawasaki Bayou, Suzuki LT series (though Tri-Moto is a three-wheeler). Key Features Vehicle Highlights: Shaft drive for low maintenance, electric start for convenience, robust design for recreational use. Manual Value Proposition Benefit To Owner: Enables DIY maintenance, repair, and troubleshooting, saving on professional service costs. Content Quality: Factory-level accuracy and detail, providing reliable procedures. 📋 Manual Details Coverage Areas Applicable Years: 1983, 1984, 1985, 1986 Page Count Total Pages: 380 Manual Type Type: Factory Service and Repair Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine: Complete teardown and rebuild, carburetor adjustment, valve clearance, lubrication, ignition system, cooling system. Transmission: Shaft drive system, primary reduction gear, gearshift mechanism, clutch operation, reverse gear functionality. Chassis And Suspension: Frame, front forks, steering, rear swingarm, suspension components, linkages, wheel bearings. Electrical System: Starting system (electric start), battery, charging system (magneto, rectifier), lighting, switches, ignition coil. Brakes: Brake system components, brake pads, adjustment procedures. Body And Plastics: Fenders, body panels, seat, handlebars, trim. Procedures Included Maintenance: Scheduled maintenance, fluid changes, filter replacements, spark plug maintenance, lubrication points. Troubleshooting: Diagnostic guides for common problems, no-spark conditions, starting issues, engine performance problems, electrical faults. Repair And Rebuild: Complete engine teardown and rebuild procedures, transmission overhaul, suspension component replacement, carburetor overhaul. Diagnostics: Error code interpretation (if applicable), electrical system testing, component testing. Technical Depth Detail Level: Comprehensive, covering from basic maintenance to complete engine and drivetrain rebuilds. Visual Aids: Includes pictures, diagrams, and part breakdowns. Data Inclusion: Torque specifications, fluid capacities, technical data, wiring diagrams, troubleshooting charts. 📊 Manual Specifications File Format Digital Format: PDF Print Quality Printability: No restrictions on printing. Binding Type Digital Binding: N/A (Digital download) Paper Type Digital Storage: Allows saving/burning to disc. Navigation Searchability: Searchable content for quick information retrieval. Chapter Navigation: Clickable chapters for easy navigation. ⚙️ Engine Specifications Primary Engine Engine Type: Four-stroke, air-cooled Displacement 200: Approximately 196cc (exact for YTM200 series) Displacement 225: Approximately 223cc (exact for YTM225 series) Bore Stroke 200: Refer to manual for exact specifications (e.g., YTM200E typical: 66.0 mm x 57.0 mm) Bore Stroke 225: Refer to manual for exact specifications (e.g., YTM225DX typical: 69.0 mm x 62.2 mm) Performance Horsepower Approx: YTM200: ~15-17 HP, YTM225: ~17-19 HP (estimates, actual may vary) Torque Specs Availability: Included in manual for critical engine components. Fuel System Carburetor Type: Single Mikuni carburetor (specific model varies by engine size). Fuel Type: Unleaded Gasoline Fuel Tank Capacity: Refer to manual for specific model capacity (typically 2.5-3.5 gallons). Lubrication Engine Oil Type: Yamaha recommends specific viscosity grades. Manual will specify (e.g., SAE 10W-30 or 20W-40). Oil Capacity: Refer to manual for exact oil capacity. Ignition Ignition System: CDI (Capacitor Discharge Ignition) Starter Starting Method: Electric Start with Kick Start backup (on some models, refer to manual) 🔧 Transmission Standard Drive Type: Shaft Drive Transmission Type: Constant Mesh, 5-speed or 6-speed manual transmission with Reverse (specific gear count varies by model, refer to manual). Features Clutch Type: Wet multi-plate clutch Gearshift Operation: Foot-operated gearshift lever. 📐 Dimensions Exterior Length: Refer to manual for exact dimensions (typically around 70-75 inches). Width: Refer to manual for exact dimensions (typically around 40-45 inches). Height: Refer to manual for exact dimensions (typically around 40-44 inches). Weights Dry Weight Approx: YTM200: ~300-350 lbs, YTM225: ~350-400 lbs (estimates, refer to manual). Ground Clearance: Refer to manual for exact specifications (typically 5-8 inches). 🛡️ Safety Features Ratings Atv Safety Standards: Manufactured to meet industry safety standards of the era. Manual covers safe operation and maintenance. Active Features Braking System: Drum or disc brakes depending on model/axle. Manual...