Cylinder Works Big Bore Kit Yamaha YZ250F 2001-2013 21002-K01
Part Number: 09310121CYLINDER WORKS
- SKU:
- 09310121
- MPN:
- 21002-K01
- Condition:
- New
- Availability:
- Ships Same Business Day
- Weight:
- 3.37 LBS
Description
If you're running a YZ250F and want to unlock measurable gains in displacement and power output, a big bore kit is one of the most direct upgrades available. The Cylinder Works 21002-K01 delivers a complete, bolt-on solution that eliminates guesswork—everything you need comes matched and ready to install, with zero machine work required. This is the kind of upgrade that pays for itself in improved throttle response and mid-range grunt.
What sets this kit apart is the attention to detail: Vertex pistons engineered for longevity, nickel silicon carbide plating that resists wear, and genuine OEM-quality assembly standards. You get a full ecosystem of components—cylinder, piston, rings, pin, clips, and gaskets—all engineered to work together seamlessly. Installation takes a competent mechanic a few hours, and you're back on the track with a noticeably stronger engine.
- Fitment: Yamaha YZ250F 2001–2013
- Direct bolt-on installation
- Vertex high-performance pistons
- Nickel silicon carbide plating
- No machine work required
- Complete kit included
- Made in U.S.A.
- MPN: 21002-K01
Specs
COMPRESSION RATIO IMPERIAL: |
12.5:1 |
CYLINDER BORE COATING: |
NICKEL-SILICON CARBIDE |
DISPLACEMENT: |
269 CC |
OVERBORE METRIC: |
+3.00 MM |
RIDING STYLE: |
OFF-ROAD |
UNITS: |
KIT |
CYLINDER DIAMETER METRIC: |
80.00 MM |
ENGINE TYPE: |
4-CYCLE |
PRODUCT NAME: |
CYLINDER KIT |
STYLE: |
BIG BORE |
CYLINDER DIAMETER: |
80,00 MM |
Commercial Accounts
We offer tax-free commercial accounts, providing businesses with significant savings and streamlined benefits.
Easy 30-Day Returns
We proudly offer 30-day easy returns, ensuring a hassle-free and convenient shopping experience for our customers.
You May Also Like
'%3E%3CanimateTransform attributeName='transform' type='rotate' from='0 50 50' to='360 50 50' repeatCount='indefinite' dur='1s'%3E%3C/animateTransform%3E%3C/path%3E%3C/svg%3E)
Related Products
Related Products
Cylinder Works Standard Bore Cylinder Kit Yamaha YZ250F 2001-2004 20002-K01
CYLINDER WORKS
Cylinder Works Big Bore Cylinder Kit for Yamaha YFZ450 2004-2013 23001-K01
CYLINDER WORKS
Cylinder Works Big Bore Cylinder Kit Yamaha Grizzly 700 2007-2013 21104-K01
CYLINDER WORKS
Cylinder Works Standard Bore Cylinder Kit Yamaha YZ250F 2014-2015 20010-K01
CYLINDER WORKS
Cylinder Works Standard Bore Cylinder Kit 2010-2013 Yamaha YZ450F 20005-K01
CYLINDER WORKS
