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Essential precautions and procedures before performing motorcycle inspection or maintenance.
Visual identification of models.
Detailed technical specifications for KX125 and KX250 models, covering dimensions, engine, and frame.
Explains specific technical aspects like the ratchet-type shift mechanism and chrome composite plating.
A comprehensive chart detailing maintenance operations and their recommended frequencies.
Lists critical torque values and specifies the use of locking agents for various fasteners.
Provides standard and service limit values for key engine and chassis components.
Details carburetor specifications, jetting, and fuel levels for KX125 and KX250 models.
Covers carburetor inspection, fuel level adjustment, removal, installation, and disassembly.
Instructions for air cleaner housing removal, installation, and element cleaning/inspection.
Outlines coolant type, mixed ratio, total amount, and radiator cap relief pressure.
Covers coolant level inspection, deterioration, draining, filling, air bleeding, and pressure testing.
Details water pump cover and impeller removal/installation, and shaft/seal procedures.
Provides detailed measurements and limits for cylinder, piston, rings, and connecting rod components.
Procedures for compression measurement, removal, installation, and warp inspection.
Covers cylinder removal, installation, wear inspection, and piston/ring measurements.
Details clutch specifications including lever play, plate thickness, warp, and clearances.
Procedures for clutch lever free play adjustment, cable removal, installation, and lubrication.
Covers clutch removal, installation, friction/steel plate inspection, and hub spline inspection.
Identifies the specific tool required for engine removal/installation (Jack).
Step-by-step instructions for safely removing the engine from the motorcycle frame.
Procedures for correctly installing the engine, including torque specifications and adjustments.
Provides transmission oil grades, viscosity, capacity, and specifications for crankshaft and transmission components.
Covers crankcase splitting, disassembly, assembly, and bolt torque specifications.
Details transmission shaft removal/installation, gear identification, shift fork/drum inspection, and gear damage checks.
Lists rim runout, tire pressure, and standard tire sizes for KX models.
Procedures for front and rear wheel removal, installation, and inspection.
Instructions for tire removal, installation, and bead breaker usage.
Details drive chain slack, 20-link length, standard chain specs, and rear sprocket warp limits.
Covers drive chain slack inspection/adjustment, wear inspection, lubrication, removal, and installation.
Procedures for engine and rear sprocket removal/installation, and wear/warp inspection.
Provides brake adjustment, fluid type, pad lining thickness, and disc thickness/runout specifications.
Detailed information on brake fluid handling, level inspection, fluid change, and bleeding procedures.
Covers caliper removal, installation, disassembly, assembly, and inspection of seals and pistons.
Details front fork and rear shock absorber adjustments, oil capacity, spring lengths, and gas pressure.
Covers air pressure inspection, rebound/compression damping adjustment, and oil level adjustment.
Procedures for rear shock absorber adjustments, spring replacement, disassembly, and assembly.
Lists specialized tools required for steering stem and head pipe maintenance.
Covers steering play inspection, adjustment, stem/bearing removal, and installation.
Instructions for handlebar removal and installation on different models.
Provides standard values for magneto, ignition system, throttle sensor, and fuel cut valve.
Details ignition timing adjustment, coil inspection, spark plug checks, and CDI unit inspection.
Covers flywheel magneto removal, installation, inspection, and output voltage testing.
A guide to diagnosing and resolving common engine and chassis problems.
Diagrams illustrating the correct routing of cables, wires, and hoses for KX125 and KX250 models.
Essential precautions and procedures before performing motorcycle inspection or maintenance.
Visual identification of models.
Detailed technical specifications for KX125 and KX250 models, covering dimensions, engine, and frame.
Explains specific technical aspects like the ratchet-type shift mechanism and chrome composite plating.
A comprehensive chart detailing maintenance operations and their recommended frequencies.
Lists critical torque values and specifies the use of locking agents for various fasteners.
Provides standard and service limit values for key engine and chassis components.
Details carburetor specifications, jetting, and fuel levels for KX125 and KX250 models.
Covers carburetor inspection, fuel level adjustment, removal, installation, and disassembly.
Instructions for air cleaner housing removal, installation, and element cleaning/inspection.
Outlines coolant type, mixed ratio, total amount, and radiator cap relief pressure.
Covers coolant level inspection, deterioration, draining, filling, air bleeding, and pressure testing.
Details water pump cover and impeller removal/installation, and shaft/seal procedures.
Provides detailed measurements and limits for cylinder, piston, rings, and connecting rod components.
Procedures for compression measurement, removal, installation, and warp inspection.
Covers cylinder removal, installation, wear inspection, and piston/ring measurements.
Details clutch specifications including lever play, plate thickness, warp, and clearances.
Procedures for clutch lever free play adjustment, cable removal, installation, and lubrication.
Covers clutch removal, installation, friction/steel plate inspection, and hub spline inspection.
Identifies the specific tool required for engine removal/installation (Jack).
Step-by-step instructions for safely removing the engine from the motorcycle frame.
Procedures for correctly installing the engine, including torque specifications and adjustments.
Provides transmission oil grades, viscosity, capacity, and specifications for crankshaft and transmission components.
Covers crankcase splitting, disassembly, assembly, and bolt torque specifications.
Details transmission shaft removal/installation, gear identification, shift fork/drum inspection, and gear damage checks.
Lists rim runout, tire pressure, and standard tire sizes for KX models.
Procedures for front and rear wheel removal, installation, and inspection.
Instructions for tire removal, installation, and bead breaker usage.
Details drive chain slack, 20-link length, standard chain specs, and rear sprocket warp limits.
Covers drive chain slack inspection/adjustment, wear inspection, lubrication, removal, and installation.
Procedures for engine and rear sprocket removal/installation, and wear/warp inspection.
Provides brake adjustment, fluid type, pad lining thickness, and disc thickness/runout specifications.
Detailed information on brake fluid handling, level inspection, fluid change, and bleeding procedures.
Covers caliper removal, installation, disassembly, assembly, and inspection of seals and pistons.
Details front fork and rear shock absorber adjustments, oil capacity, spring lengths, and gas pressure.
Covers air pressure inspection, rebound/compression damping adjustment, and oil level adjustment.
Procedures for rear shock absorber adjustments, spring replacement, disassembly, and assembly.
Lists specialized tools required for steering stem and head pipe maintenance.
Covers steering play inspection, adjustment, stem/bearing removal, and installation.
Instructions for handlebar removal and installation on different models.
Provides standard values for magneto, ignition system, throttle sensor, and fuel cut valve.
Details ignition timing adjustment, coil inspection, spark plug checks, and CDI unit inspection.
Covers flywheel magneto removal, installation, inspection, and output voltage testing.
A guide to diagnosing and resolving common engine and chassis problems.
Diagrams illustrating the correct routing of cables, wires, and hoses for KX125 and KX250 models.
General| Displacement | 124cc |
|---|---|
| Ignition | CDI |
| Final Drive | Chain |
| Front Tire | 80/100-21 |
| Rear Tire | 100/90-19 |
| Cooling System | Liquid-cooled |
| Front Suspension | 48mm inverted telescopic fork |
| Front Brake | Single 250mm disc |
| Rear Brake | Single 240mm disc |
| Ground Clearance | 370mm |
| Seat Height | 950mm |
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