🏷️ Basic Information Identification Make: Yamaha Model: TT350 / TT350S Codes Engine Codes: 43F, 2TT (typical, may vary by region) Generation Production Years: 1985-2000 👋 Introduction Market Position Segment: Dual-sport / Enduro motorcycle Target Audience: Riders seeking a reliable and capable off-road focused dual-sport motorcycle for trail riding, adventure touring, and light street use. Competitive Analysis Competitors: Honda XR350R, Kawasaki KLR250, Suzuki DR350. Key Features Off Road Capability: Long-travel suspension, robust engine, durable construction for off-road abuse. Versatility: Suitable for trail riding, exploring, and light commuting with appropriate modifications. 📋 Manual Details Coverage Areas Covered Models: Yamaha TT350, Yamaha TT350S Covered Years: 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000 Page Count Estimated Page Count: 400-600 (typical for full service manuals covering this range) Manual Type Manual Type: Full Service Repair Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine: Complete overhaul, tuning, carburetor, lubrication system, cooling system (air-cooled specific details), ignition system, starting system. Transmission: Clutch, gearbox, gear shift mechanism, lubrication. Chassis: Frame, suspension (front forks, rear shock absorber, linkage), steering system, swingarm. Electrical: Wiring diagrams, lighting system, battery, charging system (stator, rectifier/regulator), ignition system, sensors. Brakes: Front and rear brake systems (drum or disc depending on specific TT350 variant), hydraulic components, brake bleeding procedures. Fuel System: Fuel tank, fuel lines, carburetor specifications and tuning, fuel filter. Bodywork: Body panels, seating, fenders, controls, instrument cluster. Procedures Included Maintenance: Regular maintenance schedules, oil changes, filter replacement, spark plug servicing, chain adjustment, brake adjustments, valve clearance checks. Troubleshooting: Diagnostic procedures for common and uncommon issues, symptom-based troubleshooting guides. Repair: Step-by-step overhaul and repair instructions for all major and minor components. Disassembly Assembly: Detailed instructions for removing and reinstalling components. Wiring Diagrams: Comprehensive electrical system schematics for accurate diagnostics and repairs. Technical Depth Depth: Comprehensive. Covers basic maintenance to full engine and transmission rebuilds, including electrical diagnostics and chassis repairs. 📊 Manual Specifications File Format File Format: PDF Searchability: Searchable text content for efficient information retrieval. Print Quality Print Quality: High-resolution scans for clear text and diagrams. Binding Type Binding Type: N/A (Digital PDF Download) Paper Type Paper Type: N/A (Digital PDF Download) ⚙️ Engine Specifications Primary Engine Engine Type: Four-stroke, SOHC, air-cooled, single-cylinder Displacement: 347cc (approximate) Bore X Stroke: 80.0 mm x 69.6 mm (typical) Compression Ratio: 9.5:1 (typical) Performance Horsepower: Approx. 27-30 hp @ 7500 rpm (typical, varies by tuning and emission controls) Torque: Approx. 2.7 kg-m (19.5 lb-ft) @ 6000 rpm (typical) Fuel System Carburetor: Mikuni VM34SS or similar (single constant velocity carburetor) Fuel Type: Unleaded gasoline Fuel Tank Capacity: Approx. 10-12 Liters (2.6-3.2 Gallons) 🔧 Transmission Standard Transmission Type: Constant mesh, 5-speed sequential Clutch Type: Wet, multiple disc Final Drive: Chain drive Features Gear Ratios: Specific ratios available in manual (e.g., 1st: 2.833, 2nd: 1.944, 3rd: 1.440, 4th: 1.130, 5th: 0.917) Transmission Oil Capacity: Approx. 1.0-1.2 Liters (refer to manual for exact spec) Transmission Oil Specification: Yamalube 4 (or equivalent SAE 10W-40 API SG) 📐 Dimensions Exterior Length: Approx. 2170 mm (85.4 in) Width: Approx. 820 mm (32.3 in) Height: Approx. 1215 mm (47.8 in) Wheelbase: Approx. 1405 mm (55.3 in) Ground Clearance: Approx. 290 mm (11.4 in) Weights Dry Weight: Approx. 120-130 kg (265-287 lbs) Curb Weight: Approx. 135-145 kg (298-320 lbs) (with fluids) Gross Vehicle Weight Rating Gvwr: Refer to manual (typically around 300-320 kg) Seat Height: Approx. 885 mm (34.8 in) 🛡️ Safety Features Ratings Safety Certification: Not applicable for off-road motorcycles in the same way as cars; designed for off-road use. Active Features Braking System: Front: Disc brake; Rear: Drum brake (early models) or Disc brake (later models). Specifics depend on sub-model and region. Lighting: Headlight, taillight, brake light, turn signals (variable by region/model year). Passive Features Frame Construction: Steel semi-double cradle frame for durability. 💡 Technology Features Infotainment Instrumentation: Analog speedometer, odometer, tachometer (on some models), neutral indicator, turn signal indicators, high beam indicator. Driver Assistance Rider Aids: None (typical for motorcycles of this era) Connectivity Connectivity Features: None 🔧 Maintenance Service Intervals Engine Oil Change: Every 3,000 km (1,800 miles) or 6 months. Oil Filter Replacement: Every 6,000 km (3,600 miles) or 12 months. Spark Plug Check Clean Gap: Every 3,000 km (1,800 miles) Air Filter Cleaning: Every 1,000 km (600 miles) or as needed based on conditions. Valve Clearance Check: Every 6,000 km (3,600 miles) Fluid Specifications Engine Oil Specification: Yamalube 4 (or equivalent SAE 10W-40 API SG). Engine Oil Capacity: Approx. 1.7 Liters (1.8 US qt) without filter change, 1.9 Liters (2.0 US qt) with filter change. Fork Oil Type: Yamaha Fork Oil G10 (or equivalent SAE 10W) Fork Oil Capacity: Refer to manual for specific fork leg capacity (typically around 400-500ml). Known Issues Carburetor Gumming: Common issue on older carbureted bikes if fuel sits too long;...