52.4mm Cylinder Gasket and Piston Ring Set for CRF125F/CRF125FB, 2014–2023
$150.00
In stock · Free Shipping
Wiseco 804M06640 66.40mm Forged Piston Kit for Yamaha YZ250 1999-2019
$201.49
In stock
✓ Free Shipping
Forged 66.40mm standard-bore piston kit for Yamaha YZ250 models from 1999-2019. Includes the piston, rings, wrist pin, and circlips.
Price shown is the online purchase price. Free shipping · 30-day return policy
Product Description
The Wiseco 804M06640 piston kit is a standard-size 66.40mm bore replacement for specified Yamaha YZ250 models from 1999-2019. The forged aluminum piston kit includes the piston, rings, wrist pin, and circlips for a top-end rebuild.
Product Specifications
BrandWiseco
Manufacturer Part Number804M06640
Explicit Manufacturer Part Number804M06640
Explicit OE/OEM Part Numbersreplacement, SIZE, 804M06640
Bore Size66.40 mm
Bore TypeStandard / stock
ConstructionForged aluminum
Included ComponentsPiston, rings, wrist pin, and circlips
Motorcycle Compatibility
| Year | Make | Model | Power / Engine | Variant |
|---|---|---|---|---|
| 1999 | Yamaha | YZ250 | 2-stroke | |
| 2000 | Yamaha | YZ250 | 2-stroke | |
| 2001 | Yamaha | YZ250 | 2-stroke | |
| 2002 | Yamaha | YZ250 | 2-stroke | |
| 2003 | Yamaha | YZ250 | 2-stroke | |
| 2004 | Yamaha | YZ250 | 2-stroke | |
| 2005 | Yamaha | YZ250 | 2-stroke | |
| 2006 | Yamaha | YZ250 | 2-stroke | |
| 2007 | Yamaha | YZ250 | 2-stroke | |
| 2008 | Yamaha | YZ250 | 2-stroke | |
| 2009 | Yamaha | YZ250 | 2-stroke | |
| 2010 | Yamaha | YZ250 | 2-stroke | |
| 2011 | Yamaha | YZ250 | 2-stroke | |
| 2012 | Yamaha | YZ250 | 2-stroke | |
| 2013 | Yamaha | YZ250 | 2-stroke | |
| 2014 | Yamaha | YZ250 | 2-stroke | |
| 2015 | Yamaha | YZ250 | 2-stroke | |
| 2016 | Yamaha | YZ250 | 2-stroke | |
| 2017 | Yamaha | YZ250 | 2-stroke | |
| 2018 | Yamaha | YZ250 | 2-stroke | |
| 2019 | Yamaha | YZ250 | 2-stroke |
Always compare the part number, dimensions, specifications, and compatibility details with your original part before ordering.
