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Engines and Components› Pistons and Piston Rings

Wiseco

Wiseco Yamaha YZ490 84-90/WR500 92-93 3484TD Piston Kit

$243.95 $222.82 Save $21.13

SKU: W00C 546M08850

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Non-Returnable Item
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Description

The Wiseco 546M08850 is a performance piston kit designed for Yamaha YZ490 and WR500 models. This kit features an 88.50mm piston size, an oversize of 1.50mm, and a 496cc displacement with an 82.00mm stroke. Crafted from 4032 aluminum alloy, these pistons are built for superior strength and durability.

Wiseco's Pro-Lite series pistons are forged in the USA using dedicated forgings for an optimal strength-to-weight ratio and utilize aerospace alloys. Each kit includes a high-performance ring kit and alloy pin for extended life and sustained power.

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.

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Specifications

BrandWiseco
Part NumberW00C 546M08850

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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