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Engines and Components› Pistons and Piston Rings

Athena

Athena 03-06 Kymco KXR 250 77.94mm 4T Forged Racing Piston

$265.95 $207.08 Save $58.87

SKU: A0EF S4F07800004A

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In Stock
Ships by Jun 15
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Athena S4F07800004A is a forged piston for big bore cylinders, measuring 77.94mm. It is made from a high-performance aluminum alloy with high silicon content, designed for enhanced resistance and performance. This piston kit includes the piston, pin, circlips, and piston rings, which are produced in Japan with wear-resistant coatings for increased durability.

Fitment

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandAthena
Part NumberA0EF S4F07800004A

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.

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