The 1986 Yamaha IT200, including the IT200S sub-model, is a robust 2-stroke, reed valve competition/enduro motorcycle designed for off-road performance. With a 195cc displacement and a 6-speed constant mesh transmission, this model represents Yamaha's commitment to engineering excellence in the off-road segment, building upon the legacy of its successful IT series. Known for its reliability and capability in demanding terrain, the IT200 series has a history of competitive success. This comprehensive Service Repair Workshop Manual is written in English and covers the 1986 Yamaha IT200 and IT200S models. It provides detailed instructions for a wide range of maintenance, repair, and troubleshooting procedures, encompassing all major systems including the engine, transmission, fuel, ignition, cooling, suspension, brakes, electrical, frame, and body. With hundreds of detailed photos and exploded diagrams, this manual serves as an essential resource for owners and technicians to ensure the optimal performance and longevity of their motorcycle. 🏷️ Basic Information Identification Make: Yamaha Model: IT200 Sub Model: IT200S Year: 1986 👋 Introduction Market Position Segment: Competition/Enduro Motorcycle Key Features Manual Value: Comprehensive factory-level repair and maintenance guide for enthusiasts and professionals. Content Detail: Highly detailed instructions and diagrams essential for accurate servicing. 📋 Manual Details Coverage Areas Vehicle Model Covered: Yamaha IT200, IT200S Model Year Covered: 1986 Page Count Estimated Page Count: Hundreds Manual Type Type: Service Repair Workshop Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine: Complete engine overhaul, disassembly, assembly, tuning, performance specifications. Transmission: Gearbox inspection, repair, clutch service, lubrication. Fuel System: Carburetor service, fuel tank, fuel lines, fuel pump (if applicable). Ignition System: Spark plugs, ignition timing, CDI unit, stator, wiring. Cooling System: Air-cooled engine specifications, heat dissipation. Suspension: Front forks (oil, seals, springs), rear shock absorber, linkages. Brakes: Front and rear brake systems, hydraulic components, pad/shoe replacement, fluid. Electrical System: Wiring diagrams, lighting, battery, charging system, switches. Frame And Body: Frame inspection, body panels, seat, handlebars, footpegs. Wheels And Tires: Wheel bearing inspection, tire pressure, spoke tension. Procedures Included Maintenance: Regular servicing, oil changes, filter replacements, chain adjustment. Troubleshooting: Diagnostic guides for common problems, symptom analysis. Repair: Detailed step-by-step repair instructions for all major components. Disassembly And Assembly: Complete breakdown and reassembly of motorcycle components. Rebuilds: Engine, carburetor, and suspension component rebuild procedures. Adjustments: Carburetor jetting, ignition timing, clutch, brakes, suspension adjustments. Technical Depth Depth: Professional-grade, covering routine maintenance to complete engine rebuilds. Diagrams: Hundreds of detailed photos and exploded diagrams. Diagnostic Codes: While not typically feature for this era, the manual provides symptom-based troubleshooting. 📊 Manual Specifications File Format Format: PDF Compatibility: Windows and MAC Print Quality Printability: Printable (single pages or entire manual) Binding Type Binding: Digital Download (no physical binding) Paper Type Paper Type: N/A (Digital) Usage Rights License: Lifetime use on multiple devices, no expiry. ⚙️ Engine Specifications Primary Engine Engine Type: 2-Stroke, Reed Valve Displacement: 195cc Bore X Stroke: 66.0 mm x 57.0 mm Compression Ratio: 6.6:1 (Typical) Performance Horsepower: Approx. 20-25 HP (estimated, varies with tuning) Torque: N/A (typically not a primary spec for this class) Fuel System Carburetor Model: Mikuni VM28SS (common) Fuel Type: Unleaded gasoline with 2-stroke oil premix Fuel Mix Ratio: 50:1 (Typical, consult manual for exact specification) 🔧 Transmission Standard Type: Constant Mesh 6-Speed Gear Ratios: Detailed in manual (e.g., 1st: 2.833, 2nd: 2.063, 3rd: 1.556, 4th: 1.250, 5th: 1.045, 6th: 0.917) Features Clutch Type: Wet, multi-plate Transmission Oil Type: Yamalube 10W-30 API SG or SAE 80 GL-4 (consult manual) 📐 Dimensions Exterior Overall Length: Approx. 2165 mm (85.2 in) Overall Width: Approx. 830 mm (32.7 in) Overall Height: Approx. 1215 mm (47.8 in) Weights Dry Weight: Approx. 108 kg (238 lbs) Wet Weight: Approx. 117 kg (258 lbs) (with fluids, estimated) Ground Clearance: Approx. 325 mm (12.8 in) Wheelbase: Approx. 1435 mm (56.5 in) 🛡️ Safety Features Ratings Safety Features Era: Reflective decals, lighting system as per regulations. Active Features Brakes: Drum brakes front and rear (typical for the era). Suspension: Telescopic front forks and mono-shock rear suspension for stability. 💡 Technology Features Infotainment Infotainment System: Not applicable to this model year and segment. Driver Assistance Electronic Aids: None (focus on mechanical performance and rider input). Connectivity Connectivity Features: Not applicable. 🔧 Maintenance Service Intervals Oil Change Interval: Every 1000 km or annually (or as per manual recommendation for engine oil and gearbox oil). Air Filter Cleaning: Regularly, especially in dusty conditions (details in manual). Spark Plug Maintenance: Inspection and cleaning/replacement as needed, dependent on usage. Fluid Specifications Engine Oil: Yamalube 10W-30 API SG or equivalent (for gearbox, consult manual for exact specification). Fork Oil: Yamaha Type 01 (or equivalent SAE 10W fork oil, consult manual for capacity). Brake Fluid: DOT 3 or DOT 4 (consult manual for specific type and bleeding procedure). Known Issues Carburetor Issues: Clogging due to fuel degradation, jet wear, or intake air leaks....