🏷️ Basic Information Identification Make: Yamaha Model: TT350 Model Variant: TT350S Production Years Covered: 1985-1996 Codes Chassis Code Range: Likely includes 4TT, 4XM, 4XE, 4XG Engine Code Range: Likely includes 4TT, 4XM, 4XE, 4XG 👋 Introduction Market Position Category: Dual-Sport Motorcycle Target Audience: Off-road enthusiasts, trail riders, dual-sport adventurers Competitive Analysis Competitors Era: Honda XR series, Suzuki DR series, Kawasaki KLR series Key Selling Points: Reliability, off-road capability, torquey engine, simplicity of maintenance Key Features Bike Type: Air-cooled, single-cylinder, 4-stroke dual-sport Suspension Travel: Generous front and rear suspension travel for off-road use Fuel Capacity: Adequate fuel tank size for longer trail rides 📋 Manual Details Coverage Areas Primary Coverage: Service and Repair for Yamaha TT350 and TT350S models Model Years Covered: 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996 Page Count Estimated Page Count: Approximately 300-400 pages (typical for comprehensive service manuals of this era) Manual Type Type: Service Repair Manual Subtype: Technical Workshop Manual Language Language: English Format Format: Digital (PDF) 📖 Manual Coverage Systems Covered Engine: Complete engine disassembly, assembly, tuning, diagnostics, top-end overhaul, bottom-end overhaul, valve clearance adjustment, timing chain inspection and replacement Fuel System: Carburetor disassembly, cleaning, adjustment, jetting, fuel pump inspection, fuel tank maintenance, fuel line routing Ignition System: CDI unit inspection, spark plug diagnosis and replacement, ignition timing adjustment, stator and rotor inspection Transmission: Clutch inspection and replacement, gear selection mechanism, gearbox disassembly and assembly, lubrication Suspension: Front fork disassembly, oil change, seal replacement, spring inspection, rear shock absorber inspection, linkage lubrication Brakes: Front and rear brake caliper inspection and overhaul, brake pad replacement, brake fluid bleeding and replacement, master cylinder inspection, brake lever adjustment Electrical System: Wiring diagrams, lighting system (headlight, taillight, indicators), battery maintenance, charging system (alternator/stator), starter motor operation, fuses and relays Cooling System: Air-cooled engine; focus on cylinder head cooling fins and oil passages Exhaust System: Muffler and header pipe inspection, exhaust gasket replacement Chassis And Frame: Frame inspection for damage, headstock bearing maintenance, swingarm lubrication and bearing inspection Wheels And Tires: Spoke wheel maintenance, rim inspection, tire pressure recommendations, wheel bearing inspection and replacement Procedures Included Routine Maintenance: Oil and filter changes, air filter cleaning/replacement, spark plug checks, chain lubrication and adjustment, bolt torque checks Troubleshooting: Diagnostic charts for common problems (e.g., starting issues, poor performance, electrical faults) Engine Overhaul: Detailed steps for piston, ring, cylinder, and crankshaft service Suspension Rebuild: Front fork seal and bushing replacement, rear shock absorber servicing Carburetor Tuning: Idle speed adjustment, mixture screw settings, main jet and pilot jet selection Electrical Diagnostics: Using a multimeter to test components and circuits Brake System Service: Fluid replacement, caliper seal replacement, bleeding procedures Technical Depth Depth: Comprehensive (from basic maintenance to complete engine and chassis rebuilds) Diagnostic Capabilities: Includes troubleshooting guides and specifications for diagnosing issues Special Tools: Lists required special tools for specific procedures 📊 Manual Specifications File Format Format: PDF Searchability: Text-searchable (allows for quick keyword lookup) Print Quality Resolution: High resolution for clear text and diagrams Diagrams Clarity: Clear, detailed illustrations and exploded views Binding Type Binding: N/A (Digital Format) Paper Type Paper: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Type: 4-stroke, SOHC, air-cooled Displacement: 346 cc Bore X Stroke: 78.0 mm x 72.0 mm (typical for this engine) Compression Ratio: Typically 9.3:1 or similar Lubrication System: Wet sump Starting System: Kick starter Performance Horsepower: Approx. 26-30 HP (varies by year and specific tuning) Torque: Approx. 20-23 lb-ft (varies by year and specific tuning) Fuel System Carburetor Type: Mikuni VM34SS (typical for this model) Fuel Type: Unleaded gasoline, 87 octane (minimum) 🔧 Transmission Standard Transmission Type: 5-speed constant mesh Clutch Type: Wet, multi-disc Features Final Drive: Chain drive 📐 Dimensions Exterior Overall Length: Approx. 2,180 mm (85.8 in) Overall Width: Approx. 840 mm (33.1 in) Overall Height: Approx. 1,195 mm (47.0 in) Seat Height: Approx. 870 mm (34.3 in) Ground Clearance: Approx. 275 mm (10.8 in) Wheelbase: Approx. 1,410 mm (55.5 in) Weights Dry Weight: Approx. 124 kg (273.4 lbs) Wet Weight: Approx. 130 kg (286.6 lbs) (with fluids) Fuel Tank Capacity: Approx. 12 L (3.2 gal) 🛡️ Safety Features Ratings Safety Features Era: Basic for its time; focus on mechanical integrity rather than electronic aids Active Features Brakes: Drum brakes front and rear (early models) or front disc, rear drum (later models) Lighting: Headlight, taillight, brake light, turn signals (depending on market variant) Passive Features Frame Construction: Steel frame for durability 💡 Technology Features Infotainment Features: None (basic analogue instrumentation: speedometer, odometer, neutral indicator, high beam indicator) Driver Assistance Features: None 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 Air Filter Cleaning: Every 1,000 km (600 miles) or as needed in dusty conditions Valve Clearance Check:...