Athena EC210-066 Easy Cylinder Kit for Honda CRF250R (2018-2026), Stock Bore 79mm

Athena has been constantly investing in cylinder aftermarket replacement parts for more than ten years, to improve their production and performance.

All the cylinders are entirely engineered in Italy by Athena’s R&D Department which has a strong internal know-how and cutting-edge tools to design and test each piece. They are coated with motor-nicksil, a nickel-silicon coating developed by Athena to obtain smoothness and optimal wear resistance.

Athena’s cylinder kits and its components are recognized worldwide for their performance, durability and reliability.

The Standard Bore cylinder kit developed by Athena guarantees the same performance as the original spare parts, extreme reliability and optimal smoothness.

The Easy Cylinder kit includes the high-quality aluminum cylinder with standard bore and the gasket kit.

All the components of the kit have been developed to withstand the highest temperatures, pressures and stresses and have been validated by Athena technicians with severe bench and road tests.

This cylinder kit can be installed without making any changes to the engine crankcase.

Same reliability and performance of the original components

Maximum durability and smoothness guaranteed by a special nickel and silicon treatment

Gaskets developed with the most advanced technologies to ensure maximum tightness even at high temperatures and pressures

Standard Bore Cylinder Kit

Bore: 79mm
Displacement: 249.4cc

Includeds:
Cylinder 
Top-end gasket kit

Note: Piston kit sold separately

Honda Applications:
CRF250R (18–23)
CRF250RX (19-23)

The Athena EC210-066 Easy Cylinder Kit is designed specifically for Honda CRF250R models from 2018 to 2026, offering a reliable upgrade for performance enthusiasts. Crafted with precision, this stock bore 79mm cylinder kit ensures optimal fit and function for your motorcycle. The kit includes all necessary components to facilitate a straightforward installation, making it an excellent choice for both professional mechanics and DIY enthusiasts. Constructed from durable materials, the Athena EC210-066 maintains high performance standards and long-lasting durability on the trail or track. Whether you're rebuilding your engine or enhancing its power output, this kit provides a trusted solution to meet your needs.

Features:

• Designed for Honda CRF250R models from 2018 to 2026

• Stock bore size of 79mm for compatibility and performance

• Includes all essential components for easy installation

• Built with durable materials for long-lasting use

• Optimized for reliable performance in demanding riding conditions