The Lifan 125cc 4-Stroke Semi-Auto Engine Assembly is a versatile and high-performance solution compatible with a variety of 125cc motorcycles, including brands like Coolster, Taotao, Roketa, and more. Its specifications ensure optimal functionality, featuring a CDI ignition method, single-cylinder 4-stroke design, and efficient air-cooled cooling system. With a 4-speed semi-automatic transmission it delivers smooth power delivery and easy operation. The engine boasts a maximum horsepower of 7.64HP at 7000-8000 RPM and a torque of 8.0N.m at 5000-6000 RPM, making it suitable for various riding conditions. Equipped with a multi-plate wet clutch and PZ22 carburetor, it offers reliable performance and fuel efficiency. The included wiring instructions simplify installation, with clear color codes for different connections, ensuring hassle-free setup and operation.
  • Engine Assembly: The package includes essential components such as the engine assembly, intake manifold pipe, and spark plug, providing a comprehensive solution for engine replacement or maintenance. With these components, users can ensure proper function and performance, facilitating smooth operation and reliability.
  • Compatible Applications: This engine assembly is meticulously crafted to fit a range of 125cc motorcycles, including popular models like Coolster, Taotao, Roketa, and others. Its versatile design make certain compatibility across different makes and models, offering users a reliable and convenient replacement option for their motorcycles.
  • Efficient Cooling System: With its innovative oil-cooled design, the Lifan 125cc engine make certain optimal operating temperatures, providing reliable performance even in the most demanding off-road environments. This feature not only enhances the engine's longevity but also boosts overall reliability, making it a trusted choice for adventurous riders.
  • Engine Configuration: This engine boasts a single-cylinder, 4-stroke configuration coupled with an air-cooled system, ensuring efficient heat dissipation and reliable performance. Paired with a semi-automatic transmission, it delivers optimal power delivery and responsiveness, enhancing both usability and fuel efficiency.
  • Wiring Details: The wiring scheme features distinct color codes for easy identification and connection: yellow lines for 12V battery or lighting, red/black lines for firing, blue/white lines for triggering, and green lines for grounding, simplifying installation and ensuring proper electrical functionality.
Details:
  • Ignition Method CDI
  • Engine Type Single Cylinder, 4-Stroke, 2-Valve
  • Cooling System Air Cooled
  • Fuel Supply Carburetor Atomization
  • Horsepower 7.64HP/7000-8000Rpm (5.7KW/7000-8000Rpm)
  • Max. Torque 8.0N.m/5000-6000rpm
  • Transmission: 4-Speed Semi Automatic (1 Down, 3 Up)
  • Min. Stable Idle Speed 1350-1650r/min
  • Clutch Automatic Multi-plate Wet Clutch
  • Min. Fuel Consumption 9.65oz/HP.h (367g/Kw.h)
  • Cylinder Diameter 2.13" (54mm)
  • Carburetor Model PZ22
  • Carburetor Type Plunger type carburetor
  • Bore & Stroke 2.13" x 1.95" (54mm x 49.5mm)
  • Spark Plug Model A7TC
  • Cylinder Working Volume 0.03 Gallon (120ml)
  • Compression Ratio 9.0:1
  • Lubrication Model SF15W/40-SE
  • Ignition Type: CFW
  • Lubrication Capacity 0.20 Gallon (900ml)
  • Model: 154FMI
Includes:
  • Engine Assembly
  • Intake Manifold Pipe
  • Spark Plug.
  • Sprocket 14T 428 chain size
NOTE: Please check the images and physical size to ensure you order the correct Engine. DOES NOT come with Carburetor, CDI, Voltage Regulator or Ignition Coil.