Description
Product Overview
The RedCap 54mm Cylinder Kit is engineered for 125cc horizontal engines commonly found in Chinese go‑karts and dirt bikes. It includes a chrome‑finished 54mm bore cylinder, a 39.5mm piston, piston rings, wrist pin and a full set of gaskets. All components are manufactured from heat‑resistant alloys to withstand high RPMs and extreme temperatures, ensuring a reliable top‑end rebuild that matches or exceeds OEM specifications.
![[Product front view showing all components]](https://www.joltshop.store/wp-content/uploads/2026/06/024e6a9f628345afbbbbb7a9f1307def.jpg)
Usage
This kit is ideal for hobbyists and small‑shop mechanics looking to restore or boost performance of 125cc engines such as TaoTao, Kazuma, Redcat, Coolster, Sunl and similar models. Whether you are preparing a go‑kart for weekend racing or rebuilding a dirt bike for trail riding, the kit’s precise dimensions guarantee a seamless fit without the need for custom machining. Simple tools and basic mechanical knowledge are sufficient for installation.
Why Choose Us
RedCap combines decades of experience in small‑engine components with rigorous quality control. Each cylinder is CNC‑checked for dimensional accuracy, and the piston is heat‑treated for longevity. Our kits are packaged with all necessary hardware, reducing downtime and eliminating the guesswork of sourcing individual parts. Backed by responsive customer support, we ensure you have the guidance needed for a successful rebuild.
Key Features
- Precise 54mm bore delivers a perfect OEM‑style fit for 125cc engines.
- Chrome‑finished cylinder resists corrosion and reduces friction.
- High‑temperature piston and rings maintain compression under extreme conditions.
- Complete kit includes all gaskets and a wrist pin for a hassle‑free rebuild.
- Dedicated after‑sales support helps you with installation questions and part compatibility.
FAQ
Will this kit fit my TaoTao 125cc go‑kart?
Yes, the kit is designed for the 1P54FMI horizontal engine found in many TaoTao models and other similar Chinese‑made 125cc engines.
Do I need any special tools to install the kit?
No special machining is required. Basic hand tools such as a socket set, screwdrivers and a torque wrench are sufficient for installation.
What warranty does RedCap offer on this cylinder kit?
RedCap provides a one‑year limited warranty covering manufacturing defects. Contact our support team for claim assistance.
Can this kit be used on a dirt bike with a 125cc engine?
Absolutely. The kit’s dimensions match the standard 125cc horizontal engine layout used in many dirt bikes, delivering reliable performance both on‑road and off‑road.
Is the chrome finish purely aesthetic?
The chrome finish not only gives a sleek look but also adds corrosion resistance and improves heat dissipation, extending the life of the cylinder.
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