![WISECO Piston Kit - 47.50 mm - Yamaha YZ85 [805M04750]](https://cdn11.bigcommerce.com/s-2wrnp2lk/images/stencil/1280x1280/products/186095/196068/parts-805M04750__31285.1787868503.jpg?c=2 "WISECO Piston Kit - 47.50 mm - Yamaha YZ85 [805M04750]")
![WISECO Piston Kit - 47.50 mm - Yamaha YZ85 [805M04750]](https://cdn11.bigcommerce.com/s-2wrnp2lk/images/stencil/500x659/products/186095/196068/parts-805M04750__31285.1787868503.jpg?c=2 "WISECO Piston Kit - 47.50 mm - Yamaha YZ85 [805M04750]")
Piston Kit - 47.50 mm - Yamaha YZ85
Features
- Designed for all-purpose 2-stroke riding
- Durability, longevity and increased horsepower
- Dedicated forging design for strength-to-weight optimization
- Extra lightening operations for enhanced throttle response
- Engineered, forged, and machined in the USA
- Piston is made in the USA
Specifications
- Engine Type: 2-Stroke
- Units: Kit
- Stroke Length: 47.80 mm
- Displacement: 85 cc
- Riding Style: Off-Road
- Bore - Oversize: Standard
- Skirt Coating: Non-Coated
- Bore Size: 47.50 mm
- Model: Pro-Lite
- Piston Material: 4032 Aluminum Alloy
- Piston Material: Forged
- Product Name: Piston Kit
Manufacturer Part Number: 805M04750
Yes
![WISECO Piston Kit - 47.50 mm - Yamaha YZ85 [RE900M04750]](https://cdn11.bigcommerce.com/s-2wrnp2lk/images/stencil/500x659/products/177780/187753/parts-09105116__45350.1787782896.jpg?c=2 "WISECO Piston Kit - 47.50 mm - Yamaha YZ85 [RE900M04750]")
![Wiseco Engine Rebuild Kit - 47.50 mm - Yamaha YZ85 [PWR123100]](https://cdn11.bigcommerce.com/s-2wrnp2lk/images/stencil/500x659/products/120728/130655/01937672-825B-410C-81D2-E9B8FEE7358F__08128.1786950214.png?c=2 "Wiseco Engine Rebuild Kit - 47.50 mm - Yamaha YZ85 [PWR123100]")
![WISECO Piston Kit - 47.50 mm - Yamaha [4840M04750]](https://cdn11.bigcommerce.com/s-2wrnp2lk/images/stencil/500x659/products/186019/195992/parts-09100369__17803.1787868321.jpg?c=2 "WISECO Piston Kit - 47.50 mm - Yamaha [4840M04750]")
![WISECO Piston Kit - 47.50 mm - Honda [4880M04750]](https://cdn11.bigcommerce.com/s-2wrnp2lk/images/stencil/500x659/products/177747/187720/parts-09100748__03438.1787782824.jpg?c=2 "WISECO Piston Kit - 47.50 mm - Honda [4880M04750]")
![WISECO Piston Kit - 47.50 mm - Polaris [40122M04750]](https://cdn11.bigcommerce.com/s-2wrnp2lk/images/stencil/500x659/products/177758/187730/parts-09103935__94287.1787782843.jpg?c=2 "WISECO Piston Kit - 47.50 mm - Polaris [40122M04750]")