Engines and Components› Pistons and Piston Rings
Wiseco
Wiseco 2 Stroke Racer Elite Piston Kit, 66.40 MM Bore
SKU: W00C RE911M06640
Advanced — 4+ hours
Description
The piston features a diamond-turned finish achieved through CNC computer-controlled turning centers, ensuring a perfect finish with no size variation. This allows the piston to be installed in various cylinder bore compositions. Wiseco's manufacturing facility produces these forged pistons for both high-performance racers and recreational enthusiasts.
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
| Brand | Wiseco |
| Part Number | W00C RE911M06640 |
Videos
THE 2-Stroke Piston Kit: Wiseco Racer Elite
97-01 Honda CR250 - Engine Top End - Part 11: Piston - Installation #honda #cr250 #fixyourdirtbike
Wossner VS Wiseco
The Ultimate Honda CR250 2 Stroke Engine Build
1997 - 2001 Honda CR250 Top End Rebuild - Full Service | #cr250 #dirtbike #honda
Why Buy Wiseco Pistons | Wiseco Aftermarket Parts | Partzilla.com
97-01 Honda CR250 - Engine Top End - Part 13: Cylinder Head - Install #honda #cr250
Wiseco piston review
Wiseco Crankshaft Kit features and benefits video
Wiseco Dirt Bike & ATV Crankshaft Testing
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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