Market Segment:
Entry-level to mid-range commuter/light trail motorcycle
Competitors:
Similar displacement motorcycles from manufacturers like Honda (e.g., XR125L), Yamaha (e.g., XT125R), Suzuki (e.g., DR125SE), Kawasaki (e.g., KLX125)
Value Proposition:
Affordable, reliable, and capable light motorcycle suitable for urban commuting and light off-road use, supported by detailed repair documentation.
Intended Users:
Mechanics and DIY enthusiasts seeking to perform maintenance, repairs, and adjustments on the Hyosung Karion RT125.
Systems:
Engine, Transmission, Fuel System, Ignition System, Electrical System, Chassis, Suspension, Brakes, Steering, Cooling System, Lubrication System, Exhaust System, Bodywork, Controls, Troubleshooting
Procedures:
Maintenance, Adjustments, Repair, Removal, Installation, Disassembly, Assembly, Troubleshooting, Diagnostics, Servicing, Component Checks, Wear Limits, Tightening Torques
Depth:
Comprehensive step-by-step procedures, pictorial diagrams, exploded views, detailed illustrations, photos, service data, special notes, important points, precautions, factory specifications, allowable limits, reference tool numbers, wear limits
Troubleshooting Guides:
Comprehensive troubleshooting flowcharts and symptom-based diagnosis for engine, electrical, and mechanical issues.
Torque Specifications:
Detailed list of all essential fastener torque values for engine, chassis, and body components.
Clearances And Settings:
Valve clearances, chain slack, brake lever/pedal play, carburetor idle speed and mixture settings.
Exploded Views:
Detailed exploded diagrams for all major assemblies, aiding in parts identification and disassembly/reassembly.
Wiring Diagrams:
Comprehensive electrical wiring diagrams for all circuits, including lighting, ignition, starting, and instrumentation.
Periodic Maintenance Chart:
Detailed chart outlining recommended maintenance tasks and their intervals (e.g., 500km, 1,000km, 5,000km).
Tool References:
Includes reference to specific special service tool numbers and illustrations of their usage where necessary.
Safety Remarks:
Includes DANGER, CAUTION, and NOTE remarks to highlight potentially hazardous operations and procedures.
Repair Methodology:
Emphasizes using correct special service tools, genuine parts, and following procedures precisely to ensure safe and reliable operation and maximum vehicle lifespan.
Engine Type:
Single-cylinder, 4-stroke (typically SOHC, air-cooled, specific details would be in manual)
Displacement:
125cc (approximate, specific CID/cc will be in manual)
Horsepower:
Estimated 8-12 HP (specific figures will be in manual)
Torque:
Estimated 6-8 lb-ft (specific figures will be in manual)
Fuel Delivery:
Carbureted (likely Keihin or Mikuni, specific model in manual)
Ignition Type:
CDI (Capacitor Discharge Ignition) or TCI (Transistor Controlled Ignition), specifics in manual
Cooling Method:
Air-cooled
Oil Sump Type:
Wet sump (typical for this engine configuration)
Overall Length:
Specific to model year, found in manual
Overall Width:
Specific to model year, found in manual
Overall Height:
Specific to model year, found in manual
Dry Weight:
Approx. 120-135 kg (specifics in manual)
Wet Weight:
Specific to model year, found in manual
Safety Compliance:
Meets relevant national/international motorcycle safety standards; detailed safety precautions and warnings within manual.
Braking System Front:
Disc brake (likely single rotor, caliper details in manual)
Braking System Rear:
Drum brake (common for this class, specifics in manual)
Lighting System:
Headlight, taillight, turn signals, brake light (specifications and bulb types in manual)
Dashboard Features:
Analog speedometer, tachometer, odometer, trip meter, indicator lights for turn signals, neutral, high beam, oil pressure (details in manual).
ABS:
Not typically equipped on this model, manual will confirm.
Bluetooth Usb:
Not applicable for this model.
Oil Change Interval:
Typically every 3,000-5,000 km or 6-12 months, specific recommendation in manual.
Spark Plug Replacement:
Typically every 6,000-12,000 km, specific interval and type in manual.
Chain Adjustment Lubrication:
Frequent checks and adjustments recommended, typically every 500-1,000 km, detailed in manual.
Engine Oil Type:
API SG or higher, SAE 10W-40 or 20W-50 (specific viscosity and capacity in manual).
Brake Fluid Type:
DOT 3 or DOT 4 (for disc brakes, specific type in manual)
Coolant Type:
N/A (Air-cooled engine)
Gear Oil Type:
API GL-4 or GL-5, SAE 80W-90 (specific grade and capacity in manual)
Common Wear Items:
Clutch plates, brake pads, chain and sprockets, tires, wheel bearings (documented for maintenance and replacement in manual).
Electrical Component Reliability:
While generally robust, minor electrical gremlins can occur; manual provides troubleshooting for wiring, charging system, and ignition.
Manufacturer:
Hyosung (South Korean manufacturer, part of the KR Motors group)
Model Introduction:
The Karion RT125 was introduced as an affordable and functional motorcycle for various markets, particularly where smaller displacement bikes are popular.
Production Period:
Likely produced from the mid-2000s to the present, with potential minor updates; specific model year applicability is crucial and detailed in manual.
