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Engines and Components› Pistons and Piston Rings

Wiseco

Wiseco Yamaha YZ490 84-90/WR500 92-93 3445TD Piston Kit

$243.95 $222.82 Save $21.13

SKU: W00C 546M08750

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Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
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Description

The Wiseco 546M08750 is a 2-stroke Pro-Lite piston kit designed for all-purpose riding, offering great value for reliable performance on both track and trail. Engineered, forged, and machined in the USA, this piston kit features optimized forging for strength and lightening operations for enhanced throttle response.

This kit includes a high-performance ring set, wrist pin, and circlips. It is constructed from 4032 aluminum, providing superior strength, reduced weight, and improved heat transfer for longer life. The piston features a 87.50 mm bore and is 0.50 mm oversize.

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

BrandWiseco
Part NumberW00C 546M08750

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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