Years Covered:
1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
Product Type:
Full Service Repair Manual
Target Audience:
Professional Technicians and DIY Mechanics performing repairs and maintenance on Yamaha TTR250.
Advantage:
Provides the same comprehensive information as professional technician manuals, available for instant download.
Manual Structure:
Detailed sub-steps, notes, cautions, warnings, numbered instructions, bold figure numbers, detailed illustrations, enlarged insets.
Primary Coverage:
Maintenance, Repair, Diagnostics, Rebuilding, Refurbishing, Restoration
Estimated Page Count:
Detailed (Specific page count not provided, but described as comprehensive)
Manual Type:
Service Repair Manual
Delivery Method:
Instant Download
Engine System:
Complete engine overhaul, including top-end and bottom-end components, lubrication, cooling, and fuel delivery systems.
Transmission System:
Clutch, gearbox, shift mechanism, and related components. Includes disassembly, inspection, and assembly procedures.
Electrical System:
Wiring diagrams, troubleshooting, component testing, ignition system, lighting, charging system, and starter motor.
Suspension System:
Front forks (including internal components, oil types, and levels) and rear shock absorber. Adjustment and overhaul procedures.
Braking System:
Front and rear brake systems, including caliper service, pad replacement, fluid bleeding, and master cylinder.
Fuel System:
Carburetor (model specific, e.g., Mikuni VM34), fuel tank, fuel lines, and fuel filter service.
Exhaust System:
Exhaust pipe, muffler, and mounting hardware inspection and service.
Cooling System:
Air-cooled engine operation and any related components.
Frame And Bodywork:
Frame inspection, body panel removal and installation, seat, handlebars, and footpegs.
Routine Maintenance:
Oil changes, filter replacements, chain adjustment, spark plug service, air filter cleaning/replacement.
Troubleshooting:
Detailed diagnostic procedures for common and uncommon problems, symptom-based troubleshooting.
Repair Procedures:
Step-by-step instructions for disassembly, inspection, repair, and reassembly of all major components.
Rebuild Procedures:
Comprehensive guidance for engine, carburetor, and suspension component rebuilds.
Electrical Diagnostics:
Detailed electrical system testing, including wiring harness checks and component functionality.
Adjustments:
Carburetor tuning, clutch adjustment, chain tension, and suspension setup.
Depth Of Information:
Professional Technician level, suitable for advanced DIY mechanics. Covers detailed internal component procedures.
Engine Type:
249cc, Air-Cooled, 4-Stroke, SOHC, 2-Valve
Bore X Stroke:
73.0 mm x 59.6 mm (Typical for TTR250)
Compression Ratio:
10.2:1 (Typical for TTR250)
Horsepower Estimate:
~20-22 HP (Estimates vary based on specific model year and market)
Torque Estimate:
~17-19 Nm (Estimates vary)
Carburetor Type:
Mikuni VM34SS (Commonly used on TTR250 models)
Fuel Type:
Unleaded Gasoline (Minimum Octane Rating typically 87 AKI)
Oil Type:
Yamaha's recommended 4-stroke motorcycle oil (e.g., SAE 10W-40 API SG or higher)
Oil Capacity:
Approx. 1.8 L (with filter change)
Overall Length:
Approx. 2,150 mm (Typical for TTR250)
Overall Width:
Approx. 800 mm (Typical for TTR250)
Overall Height:
Approx. 1,175 mm (Typical for TTR250)
Dry Weight:
Approx. 119 kg (Typical for TTR250)
Wet Weight:
Approx. 128 kg (Typical for TTR250, with all fluids)
Seat Height:
Approx. 880 mm (Typical for TTR250)
Ground Clearance:
Approx. 285 mm (Typical for TTR250)
Engine Oil Change:
Every 3,000 km or 6 months (Refer to manual for precise interval and conditions)
Oil Filter Replacement:
Every 6,000 km or 12 months (Refer to manual for precise interval)
Spark Plug Inspection:
Every 6,000 km or 12 months (Refer to manual for precise interval and gap specification)
Air Filter Cleaning:
Every 1,000 km or 6 months (More frequently in dusty conditions)
Valve Clearance Check:
Every 10,000 km or 24 months (Refer to manual for precise interval and specifications)
Engine Oil Specification:
Yamalube 4 (or equivalent) SAE 10W-40, API SG, JASO MA
Brake Fluid Specification:
DOT 3 or DOT 4 Brake Fluid
Fork Oil Specification:
Yamaha Fork Oil G-10 (or equivalent SAE 10W)
Common Wear Items:
Clutch plates, brake pads, wheel bearings, fork seals, and chain/sprockets are common wear items for off-road motorcycles of this era.
Carburetor Maintenance:
Carburetors may require periodic cleaning and adjustment, especially the pilot jet and idle circuit, due to fuel variations and usage.
Yamaha Motorcycle Legacy:
Yamaha Motor Corporation is a renowned Japanese manufacturer with a long history of producing high-quality motorcycles, known for performance, innovation, and reliability across various categories including off-road, street, and sport bikes.
Ttr Series Context:
The TTR series represents Yamaha's line of reliable, user-friendly trail bikes, designed for recreational off-road riding. The TTR250, in particular, offers a balance of performance and accessibility for a wide range of riders.
Production Period:
The TTR250 model covered by this manual was produced from 1999 to 2006, representing a specific generation of the model.
