YUthNX
0 ratings
Big Bore 75mm Cylinder Piston Kit Compatible With 250cc To 300cc CB250F Kayo T4 Z1 NX6 CPS250 ATV Quad Dirt Pit Bike Motorcycle
genuine image
Big Bore 75mm Cylinder Piston Kit Compatible With 250cc To 300cc CB250F Kayo T4 Z1 NX6 CPS250 ATV Quad Dirt Pit Bike Motorcycle
Unlock unmatched power and acceleration with the BIG BORE Barrel Cylinder Piston Kit for your dirt bike or ATV.
Big Bore 75mm Cylinder Piston Kit Compatible With 250cc To 300cc CB250F Kayo T4 Z1 NX6 CPS250 ATV Quad Dirt Pit Bike Motorcycle
Item #: 124730381

Big Bore 75mm Cylinder Piston Kit Compatible With 250cc To 300cc CB250F Kayo T4 Z1 NX6 CPS250 ATV Quad Dirt Pit Bike Motorcycle

Item #: 124730381

IMP 103

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

*All items will import from US

0 ratings Write a review
In stock
us Imported from USA store

QTY:

Order now and get it around Tuesday, August 25
Secured transactionsecured transaction

Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.

Our Top Logistics Partners
  • fedex
  • dhl
Unlock unmatched power and acceleration with the BIG BORE Barrel Cylinder Piston Kit for your dirt bike or ATV.
U-Care Warranty:
None
Select a Plan
fast shipping

Fast
Shipping

free return

Free
Return*

secure packaging

Secure Packaging

100% original products

100% Original Products

pci-dss

PCI DSS Compliance

iso certified

ISO 27001 Certified

paypal payment
visa payment
mastercard payment
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.

What Stands Out

Enhanced Performance
This 75mm big bore kit significantly boosts horsepower and torque, optimizing engine efficiency for enhanced acceleration on both dirt and road conditions.
Versatile Compatibility
Designed for a wide range of 250cc to 300cc engines, this kit fits various models including CB250F and Kayo T4, ensuring convenience and flexibility for riders.
Durable Construction
Crafted with high-quality materials, this piston kit offers unparalleled durability and reliability, promising longevity and superior performance for demanding off-road and racing applications.

Product Details

Shop Big Bore 75mm Cylinder Piston Kit Compatible With 250cc To 300cc CB250F Kayo T4 Z1 NX6 CPS250 ATV Quad Dirt Pit Bike Motorcycle online at a best price in Isle of Man. B0DRFYFQGS

Who Should Buy?

Suitable For
  • Performance Enthusiasts

    Riders seeking enhanced power and torque for improved acceleration and off-road performance will greatly benefit.

  • ATV/Dirt Bike Owners

    Users with 250cc to 300cc ATVs or dirt bikes will find this kit enhances their vehicle's capabilities.

  • DIY Mechanics

    Those comfortable with engine upgrades will appreciate the potential for performance improvement and customization.

Not Suitable For
  • Casual Riders

    Occasional riders not seeking high performance may find little use for the enhanced capabilities this kit offers.

Product Description

Big Bore 75mm Cylinder Piston Kit Compatible With 250cc To 300cc CB250F Kayo T4 Z1 NX6 CPS250 ATV Quad Dirt Pit Bike Motorcycle

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is included in the Big Bore 75mm Cylinder Piston Kit?

    Answer: The Big Bore 75mm Cylinder Piston Kit typically includes a high-performance piston, a cylinder, piston rings, wrist pin, and circlips. Each component is engineered to provide improved performance and efficiency for engines ranging from 250cc to 300cc, such as the CB250F, Kayo T4, Z1, NX6, and CPS250. This kit enhances engine output by optimizing combustion and increasing displacement. It's perfect for riders looking to upgrade their off-road and dirt bikes for better throttle response and increased power on challenging trails.
  • Question: Is this piston kit compatible with my motorcycle?

    Answer: Yes, the Big Bore 75mm Cylinder Piston Kit is specifically designed for compatibility with various models such as the CB250F, Kayo T4, Z1, NX6, and CPS250. To confirm compatibility, check your motorcycle's current engine specifications and the owner's manual. This kit is ideal for those looking to enhance the performance of their dirt or quad bike, especially in demanding riding conditions where superior power and torque are crucial.
  • Question: How does the Big Bore Cylinder improve performance?

    Answer: The Big Bore Cylinder design allows for a larger displacement, resulting in increased horsepower and torque. When installed, it creates better air-fuel mixture dynamics, which translates to improved acceleration and overall engine responsiveness. This is especially beneficial in off-road scenarios where power demands may spike. For enthusiasts who frequently tackle rugged terrains or competitive racing, upgrading to a big bore cylinder can significantly enhance the riding experience.
  • Question: What tools are needed for installation?

    Answer: Installing the Big Bore 75mm Cylinder Piston Kit typically requires basic motorcycle repair tools including wrenches, a torque wrench, piston ring compressor, and possibly a feeler gauge for proper valve clearance adjustments. Having these tools on hand makes the installation smoother. This kit is ideal for DIY enthusiasts who enjoy working on their motorcycles and want to boost their engine’s performance without professional assistance.
  • Question: Can I use this kit on an ATV?

    Answer: Absolutely! The Big Bore 75mm Cylinder Piston Kit is compatible with a range of vehicles, including ATVs. Owners of models like the CPS250 can expect a significant boost in power and torque, improving their ability to tackle more challenging terrains. Upgrading to this kit enhances handling and performance for recreational riders as well as those using their ATVs for work or utility purposes.
  • Question: Is this product suitable for beginners?

    Answer: While the Big Bore 75mm Cylinder Piston Kit is an excellent upgrade, it may not be the best choice for complete beginners. It requires a certain level of mechanical knowledge to install properly, and misinstallation can lead to engine damage. However, for novice riders looking to level up their current performance and willing to learn, this kit offers a fantastic opportunity for growth. Collaboration with a more experienced mechanic can be beneficial during installation.
  • Question: What are the benefits of using a big bore kit?

    Answer: Using a big bore kit like this one results in increased engine displacement which leads to more power and torque. This calls for improved acceleration, especially in off-road conditions. Riders can enjoy a more thrilling experience when navigating through trails or racing. Ultimately, it transforms the motorcycle's performance profile, making it ideal for enthusiasts seeking responsive, power-driven rides.
  • Question: Does the kit come with installation instructions?

    Answer: Most Big Bore 75mm Cylinder Piston Kits come with detailed installation instructions to guide users through the process. These instructions cover proper assembly and any specific adjustments needed post-installation. Following the provided instructions helps ensure that the motor operates efficiently after the upgrade. It’s advisable to read through the instructions thoroughly before starting the installation to prevent any issues.
  • Question: How does this kit affect fuel efficiency?

    Answer: While the primary focus of the Big Bore 75mm Cylinder Piston Kit is enhancing power and performance, it may also have a mixed impact on fuel efficiency. Depending on the riding style and conditions, riders may experience slight improvements due to better combustion efficiency, or they might notice increased consumption if they push for more power frequently. Riders should adapt their throttle habits post-installation to optimize both power gains and fuel usage.
  • Question: Where can I buy the Big Bore 75mm Cylinder Piston Kit?

    Answer: You can purchase the Big Bore 75mm Cylinder Piston Kit from Ubuy in Isle of Man. Ubuy is known for its wide range of quality motorcycle parts, ensuring you get the right components that are compatible with your model. By choosing Ubuy, you can rely on a trusted source for your aftermarket upgrades, making it a great destination for enhancing your biking experience.

YUthNX Center Caps Editorial Review

No editorial reviews found

Customer Reviews & Ratings

5.0
1 customers ratings
  • 5 Star
    100%
  • 4 Star
    0%
  • 3 Star
    0%
  • 2 Star
    0%
  • 1 Star
    0%

Review this product

Share your thoughts with other customers

Platform Trust & Buyer Confidence

trustpilot logo
4.3/5 9200 + reviews
Read reviews
MA
Mohammad
Verified buyer

“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
Verified buyer

“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
Verified buyer

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

23-Jul-26 · via Trustpilot
OO
Onesi
Verified buyer

“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
Verified buyer

“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
Secure Checkout Global Delivery Easy Returns Genuine Products

Product Price History

Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

IMP 103

Order now and get it around Tuesday, August 25

QTY:

Secured transactionsecured transaction

PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Our Top Logistics Partners
  • fedex
  • dhl
Fastest cross-border delivery

Features & Benefits

  • Unlock enhanced power and acceleration for your bike.
  • Compatible with various 250cc to 300cc dirt bikes and ATVs.
  • User-friendly installation process for quick setup.
  • Versatile kit fits multiple models including Kayo T4, Z1, NX6, and CPS250.
  • 75mm barrel increases engine displacement and torque output.
  • Optimizes engine efficiency for a smooth riding experience.

Ubuy Assurance

Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.