Model Years Covered:
1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
Generation Identifier:
First Generation (1999-2006)
Vin Code Prefix:
54S, 5LU
Target Audience:
DIY enthusiasts, independent repair shops, Yamaha TTR250 owners
Advantage Over Competitors:
Comprehensive coverage, digital format for easy printing and use, instant access, manufacturer-level detail.
Manual Quality:
Professional Quality, highly detailed, COMPLETE and INTACT
Diagnostic Capabilities:
Most comprehensive diagnostic information available
Visual Aids:
Hundreds of diagrams and detailed illustrations/pictures
Navigational Aids:
Numbered table of contents for fast information retrieval
Troubleshooting Assistance:
Troubleshooting and electrical service procedures combined with detailed wiring diagrams
Cost Saving Potential:
Save money on repair costs by performing maintenance and repairs yourself
Engine Systems:
Fuel System, Cooling System, Engine Top End, Engine Lubrication System, Crankshaft/Transmission
Drivetrain Systems:
Clutch, Crankshaft/Transmission, Final Drive
Chassis Systems:
Wheels/Tires, Brakes, Suspension, Steering, Frame
Electrical Systems:
Electrical System, Wiring Diagrams
General Information:
General Information, Appendix
Maintenance Procedures:
Scheduled Maintenance, Fluid Checks and Replacements, Filter Replacements
Diagnostic Procedures:
Troubleshooting, Electrical System Diagnostics, Component Testing
Repair Procedures:
Disassembly, Assembly, Component Repair and Replacement, Engine Rebuilds
Technical Information:
Step-by-step repair procedures, critical specifications, diagrams, detailed information
Depth Of Coverage:
Professional-grade, comprehensive, suitable for local service/repair shops
Engine Type:
4-stroke, SOHC, 4-valve
Displacement:
249 cc (exact details to be found in manual)
Bore X Stroke:
73 x 57.7 mm (typical for the model, confirm in manual)
Cooling System:
Liquid-cooled
Horsepower:
Approx. 22-25 hp (estimate, exact figures in manual)
Torque:
Not specified, but adequate for trail riding (confirm in manual)
Fuel Delivery:
Carburetor (likely Mikuni VM34 or similar, confirm in manual)
Fuel Type:
Unleaded gasoline (confirm octane rating in manual)
Overall Length:
Not specified, typical for dual-sport motorcycles (confirm in manual)
Overall Width:
Not specified, typical for dual-sport motorcycles (confirm in manual)
Overall Height:
Not specified, typical for dual-sport motorcycles (confirm in manual)
Dry Weight:
Approx. 118 kg / 260 lbs (typical, confirm in manual)
Wet Weight:
Not specified (confirm in manual)
Fuel Capacity:
10 L / 2.6 gal (typical, confirm in manual)
Safety Ratings:
N/A (Motorcycle - specific ratings not applicable)
Braking System Front:
Hydraulic disc brake
Braking System Rear:
Hydraulic disc brake
Suspension Front Type:
Telescopic fork
Suspension Rear Type:
Monocross suspension (swingarm with single shock)
Lighting System:
Headlight, tail light, brake light, turn signals
Oil Change Interval:
Refer to manual for specific interval (typically 2,000-3,000 km or annually)
Air Filter Cleaning:
Regular inspection and cleaning/replacement recommended, especially after off-road use.
Spark Plug Maintenance:
Check and gap periodically, replace as needed (confirm interval in manual).
Engine Oil Type:
Yamalube 4 (or equivalent SAE 10W-40 API SG or higher, confirm viscosity and API rating in manual).
Engine Oil Capacity:
Approx. 1.8 L with filter change (confirm exact capacity in manual).
Coolant Type:
Permanent type antifreeze coolant (50% mixture with distilled water, confirm specification in manual).
Brake Fluid Type:
DOT 4 (confirm in manual).
Common Wear Items:
Chain and sprockets, brake pads, tires, fork seals, clutch plates.
Electrical Gremlins:
While generally reliable, check wiring harness connections for corrosion or damage, especially on older models.
Yamaha Motorcycles:
Yamaha is renowned for its innovation, performance, and durability in motorcycles across various segments.
Ttr Lineage:
The TTR series is Yamaha's line of off-road and dual-sport motorcycles, known for their versatility and user-friendliness.
Production Period:
The TTR250 was produced for an extended period, with this manual covering the 1999-2006 iterations.
Model Recognition:
The TTR250 is generally well-regarded as a durable and capable dual-sport machine for its class and intended use.
Consumer Ratings:
Positive feedback for reliability and off-road capability in owner reviews (specific awards not readily available).
Emissions Certifications:
Designed to meet emissions standards of its era (specific certifications detailed in manual).
