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General| Displacement | 124cc |
|---|---|
| Bore x Stroke | 54.0mm x 54.0mm |
| Compression Ratio | 10.0:1 |
| Fuel System | Mikuni VM20 carburetor |
| Ignition System | CDI |
| Transmission | 5-speed |
| Final Drive | Chain |
| Front Tire | 70/100-19 |
| Rear Tire | 90/100-16 |
| Wheelbase | 1, 270mm |
| Seat Height | 805mm |
| Wet Weight | 90kg |
| Width | 795mm |
| Ground Clearance | 295mm |
| Engine Type | Air-cooled, SOHC, 4-stroke |
| Front Suspension | Telescopic fork |
| Rear Brake | Drum |
Provides an overview of the owner's manual and the Yamaha TT-R125 model, emphasizing craftsmanship and reliability.
Details crucial safety precautions and warnings for operating and handling the machine, covering fuel, heat, etc.
Outlines the basic technical data for the TT-R125 and TT-R125E models, including dimensions, weight, and engine details.
Details the technical specifications for the TT-R125LW and TT-R125LWE models, covering dimensions, weight, and engine details.
Lists the essential maintenance specifications for the engine, including cylinder head, cylinder, and camshaft measurements.
Provides a schedule for regular maintenance and lubrication based on time and usage intervals.
Outlines essential checks and maintenance tasks to perform before operating the machine for the first time.
Explains how to inspect the engine oil level, including the procedure for checking and adding oil.
Details how to inspect and adjust the valve clearance, including necessary tools and procedures for engine valve adjustment.
Provides instructions and diagrams for the removal of the seat, fuel tank, and side covers.
Details the procedure for removing and inspecting the muffler, including associated hardware.
Step-by-step guide for disassembling the carburetor, including detailed part identification and notes.
Instructions for removing the camshaft and rocker arm shafts, including necessary tools and inspection steps.
Step-by-step guide for removing the valves and valve springs, including inspection and measurement of components.
Details the process for removing the cylinder and piston, including inspection of piston rings and measurements.
Explains the procedure for removing the clutch plates and friction plates, including necessary parts and torque specifications.
Provides instructions for disassembling the oil pump, including inspection of its components and measurements.
Covers the removal, inspection, and disassembly of the kick axle and shift shaft components.
Details the removal, inspection, and installation of the CDI magneto and starter clutch assembly.
Outlines the procedure for removing the crankcase, crankshaft, and balancer, including necessary tools and torque specifications.
Covers the removal, inspection, and installation of the front wheel and drum brake system.
Details the removal, inspection, and installation procedures for the front wheel and disc brake system.
Provides instructions for the removal, inspection, and assembly of the rear wheel and drum brake components.
Explains how to inspect and adjust the steering head, covering bearing free play and steering stem nut tightening.
Step-by-step guide for disassembling the swingarm, including removal and inspection of its components.
Instructions for inspecting the front fork and adjusting the spring preload, including specifications and notes.
Illustrates the electrical components and provides the wiring diagram for the TT-R125 and TT-R125LW models.
Details the electrical components and wiring diagram for the TT-R125E and TT-R125LWE models, including color codes.
Covers the inspection steps for the ignition system, including spark gap test, coupler checks, and main switch inspection.
Explains the operation and inspection steps for the electric starting system, including starter motor and related components.
Provides inspection steps for the charging system, including checks for fuse, battery, and charging voltage.
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