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General| Engine Type | Liquid-cooled, 4-stroke, SOHC, 4-valve |
|---|---|
| Bore x Stroke | 52.4 mm x 57.9 mm |
| Fuel System | Fuel Injection |
| Ignition System | TCI |
| Transmission | V-Belt Automatic |
| Front Suspension | Telescopic fork |
| Rear Suspension | Unit Swing |
| Front Brake | Hydraulic single disc, Ø267 mm |
| Starter System | Electric |
| Rear Tyre | 140/70-14M/C 62P (Tubeless) |
Detailed engine parameters and fluid capacities for YP125R.
Specific torque values for engine and chassis components.
Detailed engine parameters and fluid capacities for YP250R.
Specific torque values for engine and chassis components.
Maintenance schedule for emission control and general lubrication.
Procedures for engine checks and adjustments on the YP125R.
Procedures for engine checks and adjustments on the YP250R.
Procedures for chassis checks and adjustments.
Procedures for checking and troubleshooting electrical components.
Guide for diagnosing and resolving common vehicle issues.
Procedures for removing and installing general chassis parts.
Procedures for removing, disassembling, checking, and installing the front wheel.
Procedures for removing, checking, and installing the rear wheel.
Procedures for removing, disassembling, checking, and installing front brake components.
Procedures for removing, disassembling, checking, and installing rear brake components.
Procedures for removing, checking, and installing the handlebar.
Procedures for removing, disassembling, checking, and installing front fork legs.
Procedures for removing, checking, and installing the steering head.
Procedures for removing, checking, and installing rear shock absorbers and swingarm.
Steps to remove the engine from the frame (YP125R).
Procedures for removing and checking the cylinder head (YP125R).
Circuit diagram, ECU diagnostics, and troubleshooting for the fuel injection system.
Circuit diagram, general info, key registration, and troubleshooting for the immobilizer system.
Troubleshooting steps for engine starting problems.
Troubleshooting guide for engine overheating issues.
Troubleshooting guide for poor braking performance.
Troubleshooting guide for lighting or signaling system failures.
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