Namura Size A Standard Bore Piston Kit for Honda CRF250R CRF250RX 2018-2019 79mm

Namura Size A Standard Bore Piston Kit for Honda

This Namura Size A standard bore piston kit delivers a direct replacement 79mm piston for Honda CRF250R and CRF250RX models from 2018-2019, restoring compression and performance. It includes rings, pin, and clips for a complete top-end rebuild.

Overview

The Namura Size A standard bore piston kit is a 79mm replacement piston designed specifically for Honda CRF250R and CRF250RX dirt bikes from 2018-2019. It provides a reliable and cost-effective option for refreshing your engine's top end, ensuring consistent power and durability on the track or trail.

Built For Performance

• 79mm standard bore size matches OEM specifications for 2018-2019 Honda CRF250R and CRF250RX
• High-quality aluminum alloy construction for strength and heat dissipation
• Includes piston rings, wrist pin, and circlips for a complete installation
• Precision-machined skirt profile reduces friction and wear
• Designed as a Size A piston, offering a direct factory-fit replacement

Fits These Machines

• for Honda CRF250R 2018-2019
• for Honda CRF250RX 2018-2019

On-The-Job Use

• Motocross and supercross racing
• Trail and enduro riding
• Engine rebuilds and top-end overhauls
• Competition and recreational off-road use

Specs At A Glance

Good To Know

Q: Is this piston compatible with 2020 Honda CRF250R models? A: No, this kit is specifically designed for 2018-2019 CRF250R and CRF250RX models only; verify your year and engine code before ordering.

Q: Do I need to replace the cylinder as well? A: As a standard bore piston, it is intended for use with a stock cylinder that is in good condition; always measure cylinder wear and hone if necessary before installation.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.