Basic Information Identification Make: Yamaha Model: TTR250 Year: 1999-2006 Generation Generation Designation: First Generation (4GY/4RR) Codes Chassis Codes: 4GY (Early models), 4RR (Later models) Introduction Market Position Target Audience: Yamaha TTR250 owners, independent motorcycle repair shops, and DIY enthusiasts seeking genuine factory repair information. Competitive Analysis Source Authenticity: Actual Genuine Repair Service Factory Manuals, not third-party alternatives. Provides the same information used by professional technicians. Key Features Content Richness: Hundreds of pages with detailed illustrations, diagrams, and specifications for all repair and maintenance procedures. Usability: Easy to use, with numbered instructions, bold figure numbers, and an easy-to-use table of contents. No advanced computer skills required. Value Proposition Cost Savings: Enables owners to perform servicing themselves, potentially saving $50-$60 per hour in shop labor costs. Manual Details Coverage Areas Models Covered: Yamaha TTR250 (all styles) for model years 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006 Page Count Estimated Page Count: Hundreds of pages (exact count not specified, but described as 'complete') Manual Type Type: Official Factory Service Repair Manual Language Language: English Format Format: PDF Download Manual Coverage Systems Covered Engine Systems: Engine top end, Fuel system, Cooling system, Engine lubrication system Drivetrain Systems: Clutch, Crankshaft, Transmission, Final Drive Chassis Systems: Wheels/Tires, Brakes, Suspension, Steering, Frame Electrical Systems: Electrical System, Wiring Diagrams Procedures Included Maintenance Procedures: Routine maintenance, Scheduled servicing, Fluid checks and changes Diagnostic Procedures: Engine fault diagnosis, Troubleshooting common issues, Electrical system diagnosis Repair Procedures: Step-by-step repair instructions for all major components, Engine rebuilds, Transmission overhauls, Brake system repairs, Suspension servicing Assembly Disassembly: Engine Removal/Installation, Component disassembly and reassembly Technical Depth Depth: Comprehensive, covering fundamental maintenance to advanced repair and diagnostics. Equips users with factory-level knowledge. Manual Specifications File Format Format: PDF Print Quality Printability: Printable without restriction (entire manual or selected pages) Binding Type Binding: N/A (Digital Download - Printable) Paper Type Paper Type: N/A (Digital Download - User prints on desired paper) Software Requirements Reader Requirement: Adobe PDF Reader Searchability Text Search: Searchable text for quick information retrieval Engine Specifications Primary Engine Engine Type: 4-stroke, SOHC, Air-cooled, Forward-inclined single cylinder Displacement: 249 cc (Actual displacement may vary slightly by specific model revision within the 1999-2006 range) Bore X Stroke: 73.0 mm x 59.6 mm (Typical specification for this engine family) Compression Ratio: 9.5:1 (Typical specification) Performance Horsepower: Approximately 20-22 HP (Actual figures vary by market and specific tune) Torque: Approximately 19-20 Nm (Actual figures vary by market and specific tune) Fuel System Carburetor: Mikuni VM28 (Typical specification, may vary slightly by market or model year) Fuel Delivery: Carburetor Ignition System Ignition Type: CDI (Capacitor Discharge Ignition) Transmission Standard Transmission Type: Constant mesh 6-speed sequential Features Clutch Type: Wet, multiple disc, cable operated Gear Ratios: Detailed gear ratios are provided within the manual. Dimensions Weights Dry Weight: Approximately 121 kg (267 lbs) (May vary slightly by model year) Wet Weight: Approximately 131 kg (289 lbs) (With all fluids, may vary) Exterior Overall Length: 2180 mm (85.8 in) (Approximate, may vary) Overall Width: 820 mm (32.3 in) (Approximate, may vary) Overall Height: 1230 mm (48.4 in) (Approximate, may vary) Seat Height: 880 mm (34.6 in) (Approximate, may vary) Ground Clearance: 305 mm (12.0 in) (Approximate, may vary) Wheelbase: 1450 mm (57.1 in) (Approximate, may vary) Safety Features Ratings Safety Standards: As a dirt/dual-sport motorcycle, it adheres to relevant motorcycle safety standards for its intended use. Specific crash ratings are not applicable in the same way as cars. Active Features Braking System: Disc brakes front and rear for effective stopping power. Specifics on caliper type and rotor size are detailed in the manual. Passive Features Lighting: Headlight, taillight, and turn signals (depending on market specification) for visibility. Technology Features Infotainment Instrumentation: Analog speedometer, odometer, tripmeter, and indicator lights (e.g., neutral, turn signals, high beam). A tachometer may be present depending on specific market configuration. Driver Assistance ABS: Anti-lock Braking System (ABS) is not a standard feature on this model. Connectivity Electronic Aids: Primarily mechanical systems. Modern electronic rider aids are not present. Maintenance Service Intervals Oil Change Interval: Refer to manual for specific mileage/time intervals. Typically every 3,000-5,000 km (1,800-3,100 miles) or annually, whichever comes first. Air Filter Cleaning: Regular inspection and cleaning based on usage conditions (off-road use requires more frequent attention). Detailed interval in manual. Spark Plug Replacement: Refer to manual for specific mileage intervals and plug type (e.g., NGK CR8E or equivalent). Fluid Specifications Engine Oil Type: API SG or higher, JASO MA certified motorcycle oil. Viscosity typically 10W-40 or 20W-50, depending on ambient temperature. Exact specification in manual. Engine Oil Capacity: Approximately 1.5-1.8 liters (1.6-1.9 US qt) for oil change without filter replacement. Refer to manual for precise capacity. Coolant Type: Ethylene glycol-based antifreeze mixed with distilled water (50/50 ratio) for liquid-cooled variants (Note: TTR250 is air-cooled, this is a general Yamaha spec if a...