Target Audience:
Owners of Yamaha TT-R125LW(M) seeking to perform maintenance, repairs, or diagnostics.
Manual Utility:
Provides factory-level information equivalent to what licensed Yamaha service centers utilize, offering a significant advantage over generic online guides.
Authenticity:
Same manual used by professional Yamaha technicians.
Comprehensiveness:
Detailed information across all major systems for maintenance, service, diagnosis, and repair.
Engine:
Complete engine overhaul, top-end rebuild, bottom-end assembly, cylinder head, piston, crankshaft, valve train, oil lubrication system, cooling system (if applicable).
Transmission:
Clutch operation and adjustment, gearbox disassembly and reassembly, gear selection mechanism, lubrication.
Fuel System:
Carburetor tuning, disassembly, cleaning, and reassembly, fuel tank inspection and cleaning, fuel filter replacement, fuel lines.
Electrical System:
Ignition system (CDI, spark plug), lighting system (headlight, taillight, brake light), wiring diagrams, battery maintenance, charging system (stator, regulator/rectifier), fuses, switches.
Chassis And Suspension:
Front fork service (oil change, seal replacement), rear shock absorber maintenance, swingarm pivot, steering head bearings, wheel bearings, spoke tensioning.
Braking System:
Front and rear brake lever and caliper service, brake pad replacement, brake fluid bleeding and replacement, brake cable adjustment (if applicable).
Exhaust System:
Muffler and pipe inspection, gasket replacement, mounting hardware.
Controls:
Throttle cable adjustment and replacement, clutch cable adjustment and replacement, brake lever and pedal adjustment.
Maintenance:
Scheduled maintenance tasks, lubrication points, filter replacements, fluid changes, valve clearance adjustment, chain adjustment.
Troubleshooting:
Diagnostic procedures for common and uncommon issues, symptom-based troubleshooting guides, electrical system diagnostics.
Repair:
Step-by-step instructions for component replacement and repair, including engine rebuilds, suspension overhauls, and electrical component repair.
Disassembly And Reassembly:
Detailed guides for taking apart and putting back together all major vehicle systems.
Depth:
Comprehensive coverage from basic user maintenance to advanced engine and electrical system diagnostics and complete overhauls.
Diagnostic Tools:
Mentions of necessary tools and specifications for accurate diagnosis.
Engine Type:
Four-stroke, SOHC, Air-cooled
Bore X Stroke:
54.0 mm x 54.5 mm
Cylinder Layout:
Single Cylinder
Horsepower Estimated:
Approx. 10-12 HP (will be specified in manual)
Torque Estimated:
Approx. 7-8 lb-ft (will be specified in manual)
Fuel Delivery:
Carburetor
Carburetor Model:
Mikuni VM20 (specific model number detailed in manual)
Fuel Type:
Unleaded gasoline, 87 octane or higher
Oil Type Specification:
Yamalube 4 (or equivalent SAE 10W-30) motorcycle oil (specific API service classification in manual)
Overall Length:
Approx. 73.4 inches (1865 mm) (LW model specific)
Overall Width:
Approx. 31.5 inches (800 mm)
Overall Height:
Approx. 44.5 inches (1130 mm)
Seat Height:
Approx. 31.7 inches (805 mm) (LW model specific)
Wheelbase:
Approx. 49.4 inches (1255 mm) (LW model specific)
Wet Weight:
Approx. 216 lbs (98 kg) (LW model specific)
Fuel Tank Capacity:
Approx. 1.6 gallons (6.0 L)
Oil Capacity:
0.97 US qt (0.92 L) (without filter change), 1.06 US qt (1.0 L) (with filter change) - specific details in manual.
Infotainment Systems:
N/A (Basic off-road motorcycle, no infotainment features).
Driver Assistance Features:
N/A (Basic off-road motorcycle, no electronic driver assistance systems).
Connectivity Features:
N/A (Basic off-road motorcycle, no connectivity features).
Oil Change Interval:
Every 1000 km or 6 months (refer to manual for exact schedule based on usage).
Air Filter Cleaning:
Regularly, especially in dusty conditions (specific intervals in manual).
Spark Plug Inspection:
Every 2000 km (refer to manual for replacement and gap specifications).
Valve Clearance Check:
Every 4000 km (precise clearances and procedure detailed in manual).
Chain Lubrication And Adjustment:
Every 500 km or after washing/riding in wet conditions (specific tension figures in manual).
Brake Fluid Type:
DOT 3 or DOT 4 hydraulic brake fluid (specific recommendations in manual).
Common Wear Items:
Clutch plates, brake pads, tires, fork seals, chain and sprockets. Manual provides inspection and replacement criteria.
Carburetor Issues:
Can be prone to clogging if fuel is not kept clean or if the bike sits for extended periods. Manual details cleaning and jetting procedures.
Electrical Gremlins:
While generally reliable, wiring harness issues or faulty grounds can occur. Comprehensive wiring diagrams in manual are key.
Brand Overview:
Yamaha Motor Company is a globally renowned Japanese manufacturer of motorcycles, marine products, and other motorized products, known for its innovation and performance.
Tt R Series Context:
The TT-R series represents Yamaha's line of off-road and trail motorcycles, designed for versatility and rider enjoyment in various terrain.
Tt R125 Development:
The TT-R125 was introduced as a capable and user-friendly trail bike, catering to a range of riders from beginners to experienced enthusiasts looking for a nimble machine.
Lw Designation:
The 'LW' designation typically indicates the long-wheelbase version, offering enhanced stability and comfort for taller riders or more challenging off-road conditions.
Production Period:
The TT-R125 series was produced across several years, with the 2000 model representing an early iteration of this popular off-road platform.
Model Awards:
The TT-R125 line is generally well-regarded in enthusiast circles for its reliability and trail capability, but specific industry awards for this model year are not prominently documented.
Consumer Ratings:
Consistently rated highly by owners for its ease of use, durability, and suitability for trail riding and recreational use.
Manual Certification:
This manual is recognized as a factory-authorized service document used by certified technicians.
