Segment:
Entry-level to intermediate off-road/trail motorcycle.
Target Audience:
Youth riders, novice off-road enthusiasts, and casual trail riders.
Key Competitors:
Honda CRF100F/CRF125F, Kawasaki KLX110/KLX125, Suzuki DR-Z125.
Model Strengths:
Reliability, ease of use, manageable power, durability, and availability of variants (electric start, long wheelbase).
Manual Value Proposition:
Empowers owners and technicians with the knowledge to maintain and repair the motorcycle, maximizing performance and longevity.
Engine Mechanical:
Detailed disassembly, assembly, inspection, and repair of engine components including cylinder, piston, crankshaft, camshaft, valves, and timing.
Engine Electrical:
Ignition system, carburetor, CDI unit, starter motor, charging system (stator, rectifier/regulator), spark plug, and troubleshooting.
Fuel System:
Carburetor adjustment, cleaning, rebuilding, fuel lines, fuel tank, and fuel petcock.
Transmission Drivetrain:
Clutch operation and adjustment, transmission gear inspection, shifting mechanism, final drive (chain and sprockets).
Suspension:
Front fork disassembly, assembly, oil changes, seal replacement. Rear shock absorber removal, installation, and adjustment (where applicable).
Brakes:
Front and rear brake system maintenance, caliper disassembly/assembly, brake pad replacement, brake fluid bleeding, and inspection.
Electrical System:
Wiring diagrams, lighting system (headlight, taillight, brake light), horn, battery, fuses, switches, and starter system.
Cooling System:
Air-cooled engine; focus on heat dissipation and airflow considerations.
Exhaust System:
Exhaust pipe, muffler, and heat shield maintenance and inspection.
Chassis Frame:
Frame inspection, steering head bearing maintenance, swingarm inspection, and pivot bearing service.
Wheels Tires:
Wheel bearing maintenance, spoke tensioning, tire inspection, and replacement.
Bodywork:
Fairing, seat, fuel tank cover, fenders, and related hardware removal and installation.
Routine Maintenance:
Oil changes, filter replacements, chain lubrication and adjustment, spark plug checks, air filter cleaning/replacement.
Troubleshooting Guides:
Systematic diagnostic procedures for common running issues, electrical faults, and mechanical failures.
Repair Procedures:
Step-by-step instructions for component disassembly, repair, and reassembly.
Adjustment Procedures:
Carburetor, clutch, throttle cable, and brake lever adjustments.
Torque Specifications:
Precise torque values for all critical fasteners and components.
Wiring Diagrams:
Detailed electrical system schematics for accurate troubleshooting and repair.
Special Tools:
Identification and usage of any specialized tools required for specific procedures.
Depth Level:
Comprehensive (from basic maintenance to full engine rebuilds and electrical diagnostics).
Overall Length:
Varies by LW model (Long Wheelbase). Standard models approx. 70.5 in.
Overall Width:
Approx. 31.7 in.
Overall Height:
Approx. 42.7 in.
Seat Height:
Varies by model (standard vs. LW). Standard approx. 31.5 in.
Ground Clearance:
Approx. 10.4 in.
Dry Weight:
Approx. 176 lbs (TT-R125LWE), 172 lbs (TT-R125LE), 170 lbs (TT-R125LW), 167 lbs (TT-R125)
Wet Weight:
Approx. 190 lbs (TT-R125LWE), 186 lbs (TT-R125LE), 184 lbs (TT-R125LW), 181 lbs (TT-R125)
Front Tire Size:
70/100-19 42M
Rear Tire Size:
90/100-16 54M
Wheelbase:
Varies by model (LW models are longer). Standard approx. 49.8 in.
Engine Oil Change:
Every 1,000 km or 6 months. Refer to manual for detailed schedule.
Air Filter Cleaning:
Every 500 km or as needed based on operating conditions.
Chain Maintenance:
Lubricate and check tension every 500 km.
Spark Plug Check:
Every 1,000 km.
Engine Oil Type:
Yamalube 4 (or equivalent SAE 10W-30, API SE, SF, SG or SH type SE, SF, SG)
Engine Oil Capacity:
0.90 L (without oil filter change), 1.00 L (with oil filter change)
Brake Fluid Type:
DOT 3 or DOT 4
Fork Oil Type:
Yamaha No. 1 fork oil or SAE 10W (refer to manual for specific grade and quantity)
Common Wear Items:
Clutch plates, brake pads, chain and sprockets, tire wear, and potential carburetor jetting adjustments due to altitude or aftermarket exhaust.
Electrical Considerations:
While generally reliable, battery terminals, grounds, and switchgear connections should be inspected for corrosion, especially in off-road environments.
