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Engines and Components› Pistons and Piston Rings

Wiseco

Wiseco 2 Stroke Forged Series Piston Kit, 56.50 MM Bore

$162.95 $153.82 Save $9.13

SKU: W00C 512M05650

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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 Wiseco 512M05650 is a 2-stroke forged piston kit designed for the 1984 Yamaha YZ125. This kit includes a piston with a 56.50 mm bore diameter, a 56.45 mm piston diameter, and a standard piston size of 56.00 mm with a 0.50 mm oversize. The kit also comes complete with a piston ring set (#2224CS), a wrist pin (#S270), and circlips (#CW16).

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

BrandWiseco
Part NumberW00C 512M05650

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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