Vertex Piston 24381B piston kit

VERTEX PISTON 24381B Pro HC Piston Kit for YAMAHA YZ 250 F

Category: Engine
Subcategory: Top end
Attributes: Piston, Sets

Unleash the ultimate performance from your motorcycle´s engine with the VERTEX PISTON 24381B Piston Kit. As a world-leading brand trusted by professional race teams and discerning riders, Vertex delivers unparalleled quality and power for your top-end rebuild. This specific Pro HC kit is meticulously engineered to provide a significant boost in performance, durability, and reliability, making it the premier choice for competitive racing and aggressive trail riding. By choosing Vertex, you are investing in championship-winning technology designed to push your machine to its absolute limit while ensuring long-lasting strength under the most demanding conditions.

The core of this kit´s advantage lies in its high-compression design. By increasing the compression ratio, the Pro HC piston optimizes the combustion process, resulting in a noticeable improvement in horsepower and torque across the entire RPM range. This means quicker throttle response out of corners, more pulling power on steep inclines, and a stronger top-end rush on the straights. It’s a direct upgrade that you can feel every time you twist the throttle.

Durability is paramount in high-performance engines, and the VERTEX 24381B is built to withstand extreme punishment. Forged from a superior-grade 2618 aluminum alloy, the same material trusted in elite motorsports, this piston offers exceptional strength and resistance to high temperatures and pressures. This advanced forging process creates a dense, uniform grain structure that is significantly stronger than cast or hypereutectic pistons, providing peace of mind during high-revving operation.

To further enhance its resilience and performance, every piston undergoes a specialized T-5 hardening and tempering cycle. This crucial heat treatment process ensures maximum strength and structural integrity. Additionally, the piston skirts feature a state-of-the-art Molybdenum Disulphite (MoS2) coating. This low-friction coating is critical for reducing friction against the cylinder wall, which not only contributes to a faster and more effective engine break-in period but also dramatically increases the overall service life of the piston.

This comprehensive set is the perfect solution for your next top-end overhaul, delivering precision, power, and the proven reliability that has made Vertex a benchmark in the industry.
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Technical Specifications and Features:

Compatible models:

YAMAHA YZ 250 F Monster Energy Racing Edition 2021.

Piston Kit (Pro HC).
* Pro HC: Forged piston developed with Vertex technology and high compression.
* Heat Treatment: All pistons are heat-treated with a T-5 hardening and tempering cycle.
* Skirt Coating: Piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life.
* Material: Forged pistons are forged from 2618 aluminum for superior strength and durability.
* Performance: Due to the higher compression, power and torque can be improved across entire rpm range.
* Kit Components: Kits include piston, rings, wrist pin and circlips.

Service