52.4mm Cylinder Gasket and Piston Ring Set for CRF125F/CRF125FB, 2014–2023
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In stock · Free Shipping
Cylinder Works Big Bore Cylinder Kit 21009-K01 for Yamaha YZ 250 1999-2023
$1,431.55
In stock
✓ Free Shipping
Big bore cylinder kit for Yamaha YZ 250 models from 1999-2023, with a 72 mm cylinder diameter and 295 cc 2-cycle configuration.
Price shown is the online purchase price. Free shipping · 30-day return policy
BrandCylinder Works
MPN / Part Number21009-K01
OEM / OE Number21009-K01
Part TypeBig Bore Cylinder Kit
Product Description
Cylinder Works big bore cylinder kit designed for Yamaha YZ 250 models from 1999-2023. The kit includes the cylinder, cylinder head, power valve kit, piston kit, top-end gasket kit and wrist pin bearing. It features a 72 mm cylinder diameter, 295 cc displacement and standard compression ratio.
Product Specifications
BrandCylinder Works
Manufacturer Part Number21009-K01
Item Weight3.5 pounds
ModelBig Bore Cylinder Kit
Product Dimensions11.25 x 6.5 x 8.5 inches
Item model number21009-K01
ExteriorMachined
OEM Part Number21009-K01
Explicit Manufacturer Part Number21009-K01
Explicit OE/OEM Part Numbers21009-K01, replacement
Cylinder diameter72 mm
Displacement295 cc
Cylinder kit typeBig Bore
Compression ratioSTD
Size over standard5.60 mm
IncludesCylinder, cylinder head, power valve kit, piston kit, top-end gasket kit and wrist pin bearing
Referenced Vertex number24079
FinishMachined
Motorcycle Compatibility
| Year | Make | Model | Power / Engine | Variant |
|---|---|---|---|---|
| 1999 | Yamaha | YZ 250 | 2-Cycle | |
| 2000 | Yamaha | YZ 250 | 2-Cycle | |
| 2001 | Yamaha | YZ 250 | 2-Cycle | |
| 2002 | Yamaha | YZ 250 | 2-Cycle | |
| 2003 | Yamaha | YZ 250 | 2-Cycle | |
| 2004 | Yamaha | YZ 250 | 2-Cycle | |
| 2005 | Yamaha | YZ 250 | 2-Cycle | |
| 2006 | Yamaha | YZ 250 | 2-Cycle | |
| 2007 | Yamaha | YZ 250 | 2-Cycle | |
| 2008 | Yamaha | YZ 250 | 2-Cycle | |
| 2009 | Yamaha | YZ 250 | 2-Cycle | |
| 2010 | Yamaha | YZ 250 | 2-Cycle | |
| 2011 | Yamaha | YZ 250 | 2-Cycle | |
| 2012 | Yamaha | YZ 250 | 2-Cycle | |
| 2013 | Yamaha | YZ 250 | 2-Cycle | |
| 2014 | Yamaha | YZ 250 | 2-Cycle | |
| 2015 | Yamaha | YZ 250 | 2-Cycle | |
| 2016 | Yamaha | YZ 250 | 2-Cycle | |
| 2017 | Yamaha | YZ 250 | 2-Cycle | |
| 2018 | Yamaha | YZ 250 | 2-Cycle | |
| 2019 | Yamaha | YZ 250 | 2-Cycle | |
| 2020 | Yamaha | YZ 250 | 2-Cycle | |
| 2021 | Yamaha | YZ 250 | 2-Cycle | |
| 2022 | Yamaha | YZ 250 | 2-Cycle | |
| 2023 | Yamaha | YZ 250 | 2-Cycle |
Always compare the part number, dimensions, specifications, and compatibility details with your original part before ordering.
