140cc 4-Stroke Racing Engine, High-Power Racing Performance Single Cylinder Air-Cooled Motor for Pit Dirt Bike, Compatible with Honda CRF50 CRF70 XR50 XR70 Z50 Z50R (140cc)
High performance engine, ideal for those who use a faster engine and are eager to get up.
140cc 4-Stroke Racing Engine, High-Power Racing Performance Single Cylinder Air-Cooled Motor for Pit Dirt Bike, Compatible with Honda CRF50 CRF70 XR50 XR70 Z50 Z50R (140cc)
Numéro d'article: 51332442

140cc 4-Stroke Racing Engine, High-Power Racing Performance Single Cylinder Air-Cooled Motor for Pit Dirt Bike, Compatible with Honda CRF50 CRF70

Numéro d'article: 51332442
En rupture de stock
États-Unis Importé depuis la boutique USA
Nos meilleurs partenaires logistiques
  • fedex
  • dhl
High performance engine, ideal for those who use a faster engine and are eager to get up.
Garantie U-Care :
Aucun
Sélectionnez un forfait
buy now pay later

Achetez maintenant, payez plus tard

fast shipping

Livraison
rapide

free return

Retour
gratuit*

Emballage sécurisé

Emballage sécurisé

Produits 100 % originaux

Produits 100 % originaux

pci-dss

Conformité PCI DSS

iso certified

Certifié ISO 27001


paypal payment
afterpay payment
visa payment
mastercard payment

Ce qui se démarque

Haute performance
The 140cc 4-stroke engine delivers exceptional power and reliability for racing enthusiasts, ensuring optimal performance on tracks and trails compared to competitors.
Conception compacte
This single-cylinder engine's space-efficient design fits perfectly in various pit dirt bikes, making it an ideal upgrade for Honda CRF50 and similar models, enhancing their racing capabilities.
Installation facile
Designed for seamless integration with popular dirt bike models, this engine provides an user-friendly installation process, allowing riders to quickly enhance their bike’s performance without extensive modifications.

Détails du produit

Shop online for Engine 4 Stroke Motor with 125cc single cylinder, air-cooled engine. Semi-automatic transmission suitable for ATV, tricycles, off-road vehicles. Ships from the U.S. | Ubuy Canada
  • Type: Single-cylinder, horizontal, 4-stroke engine with manual clutch and CDI ignition.
  • Power: Maximum power of 8kw at 7500±375 RPM and maximum torque of 9.5N.M at 5000±250 RPM; bore x stroke: 55mm x 59mm.
  • Gear Ratio: 4-speed manual clutch with 1N234 oil gear; compression ratio of 9.0:1 and primary reduction ratio of 3.722.
  • Start Mode: Kick starter; engine oil capacity of 900ml, 15W/40-SE, 4-stroke.
  • Applications: Suitable for ATV, tricycles, off-road vehicles, bicycles, models, and skateboards.
  • High Performance: Ideal for users seeking a fast engine and smooth acceleration.
Poids de l'article32 lbs (14.51 kg)

À qui est-ce destiné ?

Suitable For
  • Young Riders

    Ideal for younger riders seeking an entry-level racing engine that offers reliability and ease of use.

  • Pit Bike Enthusiasts

    Perfect for pit bike enthusiasts who want to customize and enhance dirt bike performance efficiently.

  • Acheteurs soucieux de leur budget

    Suitable for those looking for a cost-effective racing engine option without sacrificing performance and quality.

Not Suitable For
  • Advanced Racers

    Not suitable for seasoned racers seeking high-performance engines, as it may lack the required power and specifications.

DESCRIPTION DU PRODUIT

140cc 4-Stroke Racing Engine, High-Power Racing Performance Single Cylinder Air-Cooled Motor for Pit Dirt Bike, Compatible with Honda CRF50 CRF70 XR50 XR70 Z50 Z50R (140cc)

Vous avez une question ? Chattez avec nous

Questions et réponses des clients

  • question: What are the key features of the 140cc 4-Stroke Racing Engine?

    répondre: The 140cc 4-Stroke Racing Engine is designed with a single-cylinder setup that offers a robust performance for pit dirt bikes. Its air-cooled system allows for effective temperature regulation, ensuring optimal functionality during intense rides. This engine is compatible with various models, including Honda CRF50, CRF70, XR50, XR70, Z50, and Z50R, making it versatile for different applications. Perfect for both recreational and competitive use, this engine provides exceptional torque and power, enhancing the overall riding experience.
  • question: Is the 140cc engine suitable for beginners?

    répondre: Yes, the 140cc engine is suitable for beginners as well as experienced riders. Its user-friendly design and manageable power delivery make it an ideal choice for those new to dirt biking. The 4-stroke configuration offers smooth acceleration, allowing novice riders to confidently handle different terrains. As riders gain experience, they can appreciate the engine's capacity for performance, making it a solid investment for continuous growth in their riding journey.
  • question: How does the air-cooled feature of this engine work?

    répondre: The air-cooled feature of the 140cc engine operates by circulating air around the engine components to dissipate heat generated during operation. This design minimizes the need for a complex liquid cooling system, resulting in lighter weight and reduced maintenance. Riders can enjoy extended sessions without worrying about overheating, making it an excellent choice for racing and recreational riding on various terrains. This efficiency contributes to the durability and longevity of the engine.
  • question: Can I install this engine in my existing dirt bike?

    répondre: Yes, this 140cc engine can be installed in compatible dirt bikes such as the Honda CRF50, CRF70, XR50, XR70, Z50, and Z50R. The installation process involves replacing the stock engine with the new one, which may require some mechanical knowledge. Riders often choose this upgrade to enhance their bike's power output and performance capabilities. It's advisable to consult a professional mechanic or refer to installation guides if you are unfamiliar with engine swaps.
  • question: What type of fuel is recommended for the 140cc 4-stroke engine?

    répondre: The 140cc 4-stroke engine runs best on regular unleaded gasoline with an appropriate octane rating. Using the right fuel ensures optimal engine performance and longevity. It's essential to avoid mixing oil and gas since this engine uses a separate lubrication system. To ensure reliable fuel delivery, check the fuel lines and filters regularly, especially after prolonged periods of use. This maintenance practice is crucial for keeping your engine running smoothly during rides.
  • question: What can I do to maintain my 140cc engine effectively?

    répondre: To maintain your 140cc engine effectively, regular inspection and servicing are key. Change the oil periodically and check the air filter to ensure it remains clean for optimal airflow. Inspect the spark plug and replace it if necessary to guarantee efficient combustion. Additionally, maintaining proper fluid levels and regularly cleaning the cooling fins can enhance the engine’s performance and lifespan. This preventive approach not only boosts efficiency but also keeps you riding without issues.
  • question: What performance improvements can I expect from this engine?

    répondre: Upgrading to the 140cc 4-Stroke Racing Engine can yield significant performance improvements, including increased power output and faster acceleration. Riders typically notice better torque and responsiveness, especially on varied terrains, making it suitable for competitive racing or off-road adventures. These enhancements provide a thrilling riding experience, allowing enthusiasts to tackle hills and obstacles with confidence. Riders often report a more engaging and exhilarating overall experience due to these upgrades.
  • question: What are the compatibility details for this engine?

    répondre: The 140cc engine is compatible with a range of popular dirt bikes, specifically designed to fit models such as Honda CRF50, CRF70, XR50, XR70, Z50, and Z50R. This broad compatibility makes it a versatile option for anyone looking to enhance their existing dirt bike or replace an old engine. Potential buyers should verify specific model requirements before purchase to ensure a seamless fit and avoid compatibility issues during installation.
  • question: Are there any troubleshooting tips for engine performance issues?

    répondre: If you encounter performance issues with your 140cc engine, start by checking the fuel supply and ensure that the air filter is clean. Common problems such as reduced power or stalling can often be traced back to fuel delivery or air intake issues. Inspect the spark plug for wear or carbon buildup, which can hinder ignition. If the engine seems to overheat, check the cooling fins for dirt or debris. By regularly monitoring these aspects, you can address potential problems before they escalate.
  • question: Where can I buy the 4 Stroke Racing Engine in Canada?

    répondre: You can purchase the 4 Stroke Racing Engine, 140cc 4-Stroke Motor Single Cylinder with Air-Cooled Engine from Ubuy. They offer a reliable platform for acquiring quality engine parts, including compatible options for Honda CRF50, CRF70, XR50, XR70, Z50, and Z50R models. Shopping at Ubuy ensures that you have access to various products that meet your needs while providing detailed descriptions and essential specifications for an informed purchase.

KinHall Rebuild Kits Editorial Review

Aucune critique éditoriale trouvée

Avis et évaluations clients

1 évaluations des clients
  • 5 étoile
    100%
  • 4 étoile
    0%
  • 3 étoile
    0%
  • 2 étoile
    0%
  • 1 étoile
    0%

Donnez votre avis sur ce produit

Partagez votre avis avec d'autres clients

Avantages

  • Powerful 140cc performance
  • Efficient air-cooled design
  • Single-cylinder benefits
  • Great fuel economy
  • Easy installation and maintenance

Les inconvénients

  • Occasional noise during operation

CONFIANCE EN LA PLATEFORME & PROTECTION DE L'ACHETEUR

trustpilot logo
4.2/5 9250 + reviews
Lire les avis
MA
Mohammad
Acheteur vérifié

“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”

23 July 2026 · via Trustpilot
CK
Chitra
Acheteur vérifié

“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”

22-Jul-26 · via Trustpilot
K
kund
Acheteur vérifié

“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”

23-Jul-26 · via Trustpilot
OO
Onesi
Acheteur vérifié

“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”

22 July 2026 · via Trustpilot
SJ
SAO JOHN
Acheteur vérifié

“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”

23 July 2026 · via Trustpilot
Paiement sécurisé Global Delivery Retours faciles Genuine Products

Informations importantes

  • Limitations : Pour les produits expédiés à l'international, veuillez noter que toute garantie du fabricant peut ne pas être valide ; les options de service du fabricant peuvent ne pas être disponibles ; les manuels, instructions et avertissements de sécurité des produits peuvent ne pas être dans les langues du pays de destination ; les produits (et les matériaux qui les accompagnent) peuvent ne pas être conçus conformément aux normes, spécifications et exigences d'étiquetage du pays de destination ; et les produits peuvent ne pas être conformes à la tension et aux autres normes électriques du pays de destination (nécessitant l'utilisation d'un adaptateur ou d'un convertisseur le cas échéant). Il incombe au destinataire de s'assurer que le produit peut être importé légalement dans le pays de destination. En cas de commande auprès d'Ubuy ou de ses filiales, le destinataire est l'importateur officiel et doit se conformer à toutes les lois et réglementations du pays de destination.
  • Tous les produits listés sur Ubuy ne sont pas à vendre, Ubuy étant un moteur de recherche mondial. Les produits sont soumis aux réglementations en matière d'exportation et de commerce.