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Engines and Components› Pistons and Piston Rings

Athena

Athena 02-18 Yamaha YZ 85 53mm Cylinder

$534.95 $431.08 Save $103.87

SKU: A0EF S410485301039

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Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Athena S410485301039 is a 112cc Big Bore Stroker Cylinder with a 5.5mm oversize to 53.00mm and 14:1 compression, designed for the Yamaha YZ 85 from 2002-2018.

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 S410485301039

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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