Engines and Components› Pistons and Piston Rings
Athena
Athena 06-09 Kawasaki KX 250 F HC 76.97mm Bore 4T Forged Racing Piston
SKU: A0EF S4F07700011B
Beginner — under 30 min
Description
It has a smooth profile that promotes regular airflow and flame propagation for efficient combustion. It aims to match the reliability of original equipment while enhancing engine performance.
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Athena |
| Part Number | A0EF S4F07700011B |
Videos
Unleash EXTREME power: Athena’s Big Bore Kit for Kawasaki KX 250
NEW PRODUCT Athena Top End Piston Kit - 2T 4T 🆕
Top End Piston Kit: all you need in one kit! 🔥
Racer X Films: Garage Build 2018 Kawasaki KX250F Big Bore
Time for overhaul your dirt bike? Athena Top End Piston Kit 🔧
Hot Rods Connecting Rods
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
View Full Return Policy