🏷️ Basic Information Identification Make: Yamaha Model: TTR250L / TTR250LC Generation Production Years: 1999-2006 👋 Introduction Market Position Segment: Dual-sport / Enduro motorcycle Competitive Analysis Competitors: Honda CRF250L, Kawasaki KLX250, Suzuki DR-Z250 Key Features Purpose: Versatile off-road and on-road capability, known for reliability and ease of maintenance 📋 Manual Details Coverage Areas Years Covered: 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006 Page Count Number Of Pages: 294 Manual Type Type: Workshop Service Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine: Detailed breakdown, lubrication, cooling, fuel, ignition, starting, exhaust, emissions Chassis: Frame, suspension (front forks, rear shock absorber), steering, wheels, tires, brakes (front and rear) Electrical: Battery, charging system, ignition system, lighting, instrumentation, wiring diagrams Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, chain adjustment, brake pad inspection/replacement, spark plug service Troubleshooting: Diagnostic procedures for common problems, circuit testing, symptom analysis Repair: Engine overhauls, carburetor tuning, transmission servicing, suspension component replacement, electrical component repair, brake system repair Technical Depth Depth: Comprehensive, covering from basic checks to complete engine and chassis rebuilds 📊 Manual Specifications File Format File Type: PDF Print Quality Quality: High-resolution scans suitable for printing, clear diagrams and text Binding Type Binding: N/A (Digital Download) Paper Type Paper: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type: Four-stroke, DOHC, single-cylinder Displacement: 249 cc Bore X Stroke: 73.0 mm x 59.5 mm Compression Ratio: 12.5:1 Performance Horsepower: Approximately 20-23 HP (varies by specific market and tune) Torque: Approximately 14-16 lb-ft (varies by specific market and tune) Fuel System Fuel Delivery: Mikuni BST34 carburetor Fuel Capacity: 2.6 gallons (9.8 Liters) Fuel Type: Unleaded gasoline, 91 octane or higher recommended Lubrication Oil Capacity: 1.7 Liters (with filter change) Recommended Oil: Yamalube 4 (or equivalent) SAE 10W-40 API SE, SF, SG or SH classification with JASO MA standard 🔧 Transmission Standard Transmission Type: 6-speed constant mesh Clutch Type: Wet, multiple-disc Features Gear Ratios: Specific ratios detailed within the manual for each gear. Final Drive: O-ring sealed chain 📐 Dimensions Exterior Overall Length: Approx. 85.0 in (2159 mm) Overall Width: Approx. 32.1 in (815 mm) Overall Height: Approx. 48.2 in (1225 mm) Seat Height: Approx. 35.0 in (889 mm) Wheelbase: Approx. 56.1 in (1425 mm) Weights Dry Weight: Approx. 273 lbs (124 kg) Wet Weight: Approx. 291 lbs (132 kg) (estimated) Ground Clearance: Approx. 11.0 in (280 mm) 🛡️ Safety Features Ratings Crash Safety: Not applicable (motorcycle) Active Features Braking System: Front: 245mm disc; Rear: 220mm disc Suspension Features: Front: Telescopic forks, 10.0 inches travel; Rear: Swingarm, Monocross suspension, 9.1 inches travel Passive Features Lighting: Halogen headlight, LED taillight, turn signals 💡 Technology Features Infotainment Display: Analog speedometer, tachometer, odometer, trip meter, indicator lights (neutral, turn signal, high beam) Driver Assistance ABS: Not equipped Connectivity Usb Port: Not equipped Engine Management Ignition System: CDI (Capacitor Discharge Ignition) 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,000 km (1,864 miles) or 6 months, whichever comes first Air Filter Cleaning: Every 1,000 km (621 miles) or 3 months Spark Plug Replacement: Every 6,000 km (3,728 miles) or 12 months Valve Clearance Check: Every 6,000 km (3,728 miles) or 12 months Fluid Specifications Brake Fluid Type: DOT 4 Coolant Type: Permanent type antifreeze coolant (mixture of 50% ethylene glycol and 50% deionized water) Known Issues Common Wear Items: Clutch plates, brake pads, chain and sprockets, fork seals, carburetor jetting needing periodic adjustment Electrical Concerns: Occasional issues with rectifier/regulator or stator, especially on higher mileage units. Engine Performance: Carburetor tuning can be sensitive to altitude and temperature changes, requiring attention for optimal performance. 📚 Vehicle History Brand Heritage Manufacturer Heritage: Yamaha Motor Corporation, founded in 1955, is a renowned Japanese manufacturer of motorcycles, marine products, and other motorized vehicles. Known for performance, innovation, and durability. Model Evolution Ttr Series Context: The TTR line represents Yamaha's off-road focused motorcycles, offering a range of displacements for various skill levels. The TTR250 bridges the gap between smaller play bikes and larger competition machines. Production Manufacturing Location: Japan (Primary) 🏆 Awards & Recognition Recognitions Segment Recognition: Praised in its era for reliability and a good balance of off-road capability and street-friendliness, making it a popular choice for trail riding and light commuting.