125cc 4 Stroke Engine Motor, Air Cooling 4-Speed Pit Dirt Bike Motorcycle Engine Kit, with Manual Clutch, Kick Starter Lever, CDI Single Cylinder Atv Motor for CRF50 CRF70 XR50 Z50 Mini Trail
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Features
- 4-Stroke Engine: Powerful single-cylinder 4-stroke structure delivers higher intake and exhaust efficiency, smooth and strong power output, with low fuel consumption 367g/kWh for energy saving and high efficiency.
- Air Cooling Design: This 125CC engine is equipped with an efficient air cooling system that quickly dissipates heat, keeping the engine running stably during long-time use.
- Wide Compatibility: Perfectly compatible with CRF50/CRF70/XR50/Z50 and other mini motorcycles, with well-matched mounting holes for easy installation and replacement.
- Precise Control: Features 4-speed manual clutch and wet multi-plate clutch for precise and smooth gear shifting. CDI ignition system provides high ignition efficiency for quick and reliable kick start.
- Easy to Maintain: The simple design makes daily maintenance a breeze. The engine comes with a full set of accessories and protective packaging.
Description
Dipstick: The oil port adopts a dipstick design to effectively prevent oil leakage from the fuel tank. Shockproof Installation Hole: It is used to install shock absorbers to reduce the vibration of the motorcycle during driving, thereby improving its driving comfort.Metal Crankshaft: The crankshaft adopts high-quality metal design to ensure extremely high safety and stability during operation. ApplicationThis engine motor fits for such motorcycles as CRF50/CRF70/XR50/XR70/Z50/Z50R/CT70 Mini Trail/Z50/Mini Trail Monkey/XL70 ST70/QA50/QR50/CL70/SL70/70 Passport/ST 90K2/ST 90K1/CS 90/SL 90/ZB 50. SpecificationEngine Type: Single Cylinder, 4 StrokeMaterial: Aluminium, Cast SteelIgnition System: CDIStart Mode: Kick-starterClutch: Wet Multi-plateTransmission: 4-speed, Manual ClutchDisplacement: 125CCCompression Ratio: 9.0:1Max Power: 6.5 kW/7500r/min±375r/minRated Power: 5.6 kW/7500r/min±375r/minMax. Torque: 8.0 Nm/5000r/min±250r/minIdle Speed: 1500r/min±100r/minMin. Fuel Consumption: ≤367g/kW.hSpark Plug: A7TCCarburetor Type: PZ16JPrimary Reduction Ratio: 3.722Gear Ratio: 2.833/1.706/1.238/0.958Lubricant Capacity: 900mlLubricant: SAE15W/40-SE, 4-stroke Gasoline Engine OilEngine Dimensions: 42.5x27x23cm/16.73x10.63x9in Package Size: 48.5x37x35.2cm/19.1x14.57x13.86in (Outer); 46x31.5x25.5cm/18.1x12.4x10in (Inner)Net Weight: 19.2kg/42.33lbsGross Weight: 21.3kg/46.96lbsPackage Included1 x CRF50 125CC Engine1 x Kick Starter Lever1 x Gear Shift Lever1 x Carburetor1 x Intake Manifold1 x CDI1 x Sprocket Cover3 x Intake GasketsSome Screws for Assembly
Manufacturer: LKSNBDR
Brand: LKSNBDR
Model: 125cc 4 Stroke Engine Motor
Item model number: 125cc 4 Stroke Engine Motor
Exterior: Machined
Manufacturer Part Number: 125cc 4 Stroke Engine Motor
Date First Available: April 20, 2026
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