Description
A worn or damaged piston directly impacts your CRF250R’s compression, power delivery, and engine longevity. This ATHENA piston kit restores OE-equivalent reliability while delivering the durability and performance gains you need to maximize your 4-stroke’s potential. Whether you’re rebuilding after hard use or upgrading to a higher-performance alternative, this Japanese-manufactured kit gives you precision engineering at a fraction of OEM cost.
Key Technical Specifications:
- Bore diameter: 78.96 mm
- High-silicon aluminum alloy
- CNC-machined reverse extrusion
- Reduced ring friction design
- PVD-coated piston rings
- Chromium nitride wear coating
- Complete gasket set included
- Honda CRF250R fitment
- Made in Japan
- OE-equivalent reliability
- Bolt-on installation ready






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