🏷️ Basic Information

Make:

Yamaha

Model:

TT-R250

Year:

2006

Chassis Code General:

Often designated by an 'L' or similar prefix for the specific model year, e.g., 5DM1/5DM2 for earlier models, specific codes may vary slightly for 2006.

👋 Introduction

Segment:

Dual-sport / Enduro motorcycle

Target Audience:

Off-road enthusiasts, trail riders, light commuting users.

Key Competitors:

Honda CRF250L, Kawasaki KLX250S, Suzuki DR-Z250.

Vehicle Attributes:

Reliable single-cylinder engine, robust suspension, lightweight chassis, versatility for on-road and off-road use.

Manual Utility:

Provides the same in-depth technical information as used by authorized Yamaha dealerships for all service and repair operations.

📋 Manual Details

Engine Coverage:

Complete engine disassembly, assembly, inspection, and repair procedures.

Transmission Coverage:

Gearbox, clutch, and shifting mechanism service and repair.

Electrical System Coverage:

Ignition system, lighting, charging system, wiring diagrams, and troubleshooting.

Chassis And Suspension Coverage:

Frame, forks, rear shock absorber, swingarm, wheel bearings, steering assembly.

Braking System Coverage:

Front and rear brake system maintenance, repair, fluid bleeding, caliper and master cylinder service.

Fuel System Coverage:

Carburetor overhaul, fuel lines, fuel tank service.

Cooling System Coverage:

Radiator, coolant, fan operation (if applicable).

Exhaust System Coverage:

Muffler and header pipe service.

Bodywork And Plastics Coverage:

Panel removal, installation, and basic care.

Troubleshooting Coverage:

Diagnostic charts and solutions for common operational problems.

Estimated Page Count:

Typically 300-500 pages, depending on the specific edition and inclusion of appendices.

Type:

Service Manual / Repair Manual

Language:

English

Format:

Digital (PDF)

📖 Manual Coverage

All Systems:

Yes, covers all major mechanical, electrical, and chassis systems.

Maintenance Procedures:

Routine checks, adjustments, lubrication, filter replacements, fluid changes.

Repair Procedures:

Detailed step-by-step instructions for component removal, repair, and reinstallation.

Diagnostic Procedures:

Troubleshooting guides for common issues with specific diagnostic steps.

Overhaul Procedures:

Complete engine and transmission rebuild instructions.

Adjustment Procedures:

Carburetor synchronization, valve clearance adjustment, chain tensioning, suspension settings.

Depth:

Comprehensive, suitable for dealership technicians and advanced home mechanics.

📊 Manual Specifications

PDF Quality:

High resolution, searchable text for easy navigation and printing.

Print Recommendation:

Printable on standard office printers for on-demand access.

Binding:

N/A (Digital Format)

Paper Type:

N/A (Digital Format)

⚙️ Engine Specifications

Engine Type:

Four-stroke, SOHC, 4-valve, liquid-cooled

Displacement:

249 cc (Cubic Centimeters)

Bore X Stroke:

73.0 mm x 57.7 mm

Compression Ratio:

12.4:1

Ignition System:

TCI (Transistor Controlled Ignition)

Horsepower Estimated:

Approximately 20-22 HP (Varies based on specific tuning and market) at ~7500 RPM

Torque Estimated:

Approximately 15-17 lb-ft (Varies based on specific tuning and market) at ~6000 RPM

Carburetor:

Mikuni BSR33/1 (Constant Velocity)

Fuel Type:

Unleaded gasoline, 87 octane or higher recommended.

Oil Type:

Yamalube 4 (or equivalent SAE 10W-40 API SG or higher motorcycle oil)

Oil Capacity W Filter Change:

1.70 L (1.8 US qt; 1.5 Imp qt)

Coolant Type:

Yamaha Coolant 50% or equivalent ethylene glycol-based coolant

🔧 Transmission

Transmission Type:

Constant mesh 6-speed

Clutch Type:

Wet, multiple disc

Gear Ratios Primary:

3.000 (30/10)

Gear Ratios 1St:

2.538 (33/13)

Gear Ratios 2Nd:

1.875 (30/16)

Gear Ratios 3Rd:

1.381 (29/21)

Gear Ratios 4Th:

1.130 (26/23)

Gear Ratios 5Th:

0.960 (24/25)

Gear Ratios 6Th:

0.840 (21/25)

Final Drive Type:

Chain drive

Final Drive Ratio:

3.727 (41/11)

Transmission Oil Type:

Yamalube Gear Oil 10W-40 (or equivalent SAE 80 hypoid gear oil)

Transmission Oil Capacity:

0.65 L (0.69 US qt; 0.57 Imp qt)

📐 Dimensions

Length:

2130 mm (83.9 in)

Width:

800 mm (31.5 in)

Height:

1205 mm (47.4 in)

Seat Height:

875 mm (34.4 in)

Wheelbase:

1405 mm (55.3 in)

Ground Clearance:

330 mm (13.0 in)

Wet Weight:

137 kg (302 lbs) (Approximate, with all necessary fluids and a full tank of fuel)

Dry Weight:

123 kg (271 lbs)

Fuel Tank Capacity:

10 L (2.6 US gal)

🛡️ Safety Features

Safety Certification:

Not applicable to motorcycle safety ratings in the same way as automobiles; designed to meet general motorcycle safety standards.

Braking System:

Hydraulic disc brakes front and rear.

Lighting System:

Halogen headlight, LED taillight, incandescent turn signals (check specific market regulations for LED conversion legality).

Frame Construction:

Steel diamond frame for rigidity and impact absorption.

Tires:

Dual-sport rated tires for varied terrain grip.

💡 Technology Features

Infotainment System:

N/A (Basic motorcycle, no electronic infotainment system)

Rider Aids:

N/A (No electronic rider aids like ABS or traction control)

Instrument Cluster:

Analog speedometer, tachometer, odometer, trip meter, neutral indicator, high beam indicator, turn signal indicators.

🔧 Maintenance

Oil Change Interval:

Every 3,000 km (2,000 miles) or 6 months, whichever comes first.

Air Filter Cleaning:

Every 1,000 km (600 miles) or more frequently in dusty conditions.

Valve Clearance Check:

Every 6,000 km (4,000 miles).

Spark Plug Replacement:

Every 12,000 km (7,500 miles) or as needed.

Chain Lubrication Adjustment:

Every 500 km (300 miles) and check for wear.

Brake Fluid Type:

DOT 4

Coolant Capacity:

1.10 L (1.16 US qt; 0.97 Imp qt)

Common Wear Items:

Clutch plates, sprockets, chain, brake pads, fork seals, and wheel bearings are typical wear items that may require periodic replacement.

Carburetor Tuning:

Carburetor may require periodic adjustment or cleaning for optimal performance, especially after storage or changes in altitude.

Engine Starting:

Cold starting may require choke usage; ensure battery voltage is sufficient.

📚 Vehicle History

Yamaha Legacy:

Yamaha Motor Corporation has a long and distinguished history in motorcycle manufacturing, known for innovation, performance, and reliability across various motorcycling disciplines.

Tt R Lineage:

The TT-R series represents Yamaha's commitment to off-road and dual-sport motorcycles, building upon a legacy of performance and durability in challenging terrains.

Manufacturing Location:

Primarily manufactured in Japan.

Production Years:

The TT-R250 model has been in production for many years, with the 2006 model representing a refined iteration of the platform.

🏆 Awards & Recognition

Model Awards:

While specific 'awards' are not typically highlighted for this model in the way cars are, the TT-R250 is recognized within the dual-sport community for its reliability and capability.

User Satisfaction:

Generally high user satisfaction reported for its durability and ease of maintenance.