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Engines and Components Pistons and Piston Rings

Wiseco

Wiseco 2 Stroke GP Series Piston Kit, 52.50 MM Bore

$226.95 $208.34 Save $18.61

SKU: W00C PK1343

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

Advanced — 4+ hours

Description

The Wiseco PK1343 is a top-end rebuild kit designed for the Yamaha YZ85. It features a standard bore piston with a 52.50mm diameter and a 47.80mm stroke, resulting in a 103cc displacement. The kit includes a high-performance ring set and alloy pin for extended life and sustained power. The piston is precision crafted and forged in the USA.

Fitment

Fitment Guaranteed

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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

BrandWiseco
Part NumberW00C PK1343

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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