Engines and Components› Pistons and Piston Rings

ProX Racing Parts

ProX Piston Ring Set YZ85 '02-21 (47.50mm)

$30.44

SKU: P0BM 02.2113

Out of Stock
In Stock
Ships by Jul 29
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The ProX 02.2113 is a piston ring set designed for the Yamaha YZ85 from 2002-2021. These rings are manufactured by OEM factories to meet exact specifications, utilizing components from reputable brands like Rikken Japan, TP, and NPR. They are compatible with various bore types including cast iron, nickel ceramic (Nikasil), boron composite, and electrofusion bores.

Fitment

Fitment Guaranteed

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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

BrandProX Racing Parts
Part NumberP0BM 02.2113

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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