4-Stroke Engine Motor Kit, 140CC Dirt Pit Bike Engine Motor Horizontal Motorcycle Dirt Bike Engine w/ 4 Speed Manual Clutch Carburetor for CRF50 CRF70 XR50 XR70 Z50 Z50R Z50 XL70 ST70
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Size: 140cc 4-Stroke
Features
- Premium Material: This engine kit is made of high-quality aluminium alloy and cast steel, which is strong and durable.
- Good Performanc: The engine kit boasting a maximum power of 8kw (7500375) and maximum torque of 9.5N.M(5000250) delivers an impressive surge of strength and control to the vehicle.
- Performance Features: Enjoy a powerful ride with the 140cc bike engine that enhances overall vehicle control and responsiveness, perfect for racing enthusiasts and off-road adventures.
- Ersatile Compatibility: This 140cc pit bike engine is specifically designed to fit a variety of models including fit for CRF50, CRF70, XR50, and more, making it the ideal choice for anyone looking to upgrade their mini trail bikes.
- Simple Installation: The product is manufactured in accordance with the original factory parameters and matches your car greatly. And the complete accessories allow you to complete installation and start using it in a short period of time.
Description
SpecificationsMaterial: Aluminium Alloy, Cast SteelType: Single-cylinder, Horizontal, Four-strokeGear: 1N234Ignition: CDICondition: New Displacement: 140ccBore x Stroke: 55 59mm/2.22.3inMax. Power & Corresponding Speed: 8kw(7500±375)Max. Torque & Corresponding Speed: 9.5N.M(5000±250)Start Mode: Kick StarterCompression: 9.0:1Engine Oil: 900ml/30.44Oz, 15W/40-SE, 4 StrokeOil Gears: 4 Speed Manual Clutch, 1N234Sprocket: 14T 428 17mm/0.67inApplicable Models: CRF50 / CRF70 / XR50 / XR70 / Z50 / Z50R / Z50 / XL70 ST70 / QA50 / QR50 / CL70 / SL70 / ST 90K2 / ST 90K1 / CS 90 / SL 90 / ZB 50 /HighlightsGood PerformanceEasy InstallationLong Service LifeElaborate DesignProfessional AdaptabilitySafety ImprovementFashion AppearanceStrong Power Fits (For the reference):For CRF50 / CRF70 / XR50 / XR70 / Z50 / Z50R / CT70 / Z50 / XL70 ST70 / QA50 / QR50 / CL70 / SL70 / ST 90K2 / ST 90K1 / CS 90 / SL 90 / ZB 50 /Please note this is not a guarantee, if you are unsure, please ask your local dealer.Package Included1140CC Engine1Kick Starter Lever1Gear Shift Lever1Sprocket Cover1Washer2Gaskets1Carburetor1CDI1Intake Manifold7Screws
Manufacturer: Mahugde
Brand: Mahugde
Model: pit bike engine
Item model number: bike motor kit
Exterior: 1
Manufacturer Part Number: bike engine kit
Date First Available: April 7, 2026
Frequently asked questions
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