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Engines and Components Cylinder Heads and Components

Athena

Athena Sachs 50 45mm Bore 70cc Big Bore Cylinder Kit w/Mainfolds

$303.95 $251.42 Save $52.53

SKU: A0EF 074000

Out of Stock
In Stock
Ships by Jun 11
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Upgrade your engine with the Athena Sachs 50 45mm 70cc Big Bore Cylinder Kit Bore w/o Mainfolds, enhancing performance and power for your scooter. Designed for 50cc engines, ensuring perfect fitment and reliable performance. High-quality aluminum construction for durability and heat dissipation. Includes bore kit only; compatible with specific models for easy installation. Part #074000/1, suitable for off-road and racing applications. Requires separate manifold installation; check compatibility before purchase. Off-road use only; not CARB compliant.

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

BrandAthena
Part NumberA0EF 074000

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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