Cylinder Works Big Bore Kit Yamaha YZ450F 2006-2009 WR450F 2007-2015 21003-K01
Part Number: 09310174CYLINDER WORKS
- SKU:
- 09310174
- MPN:
- 21003K01
- Condition:
- New
- Availability:
- Ships Same Business Day
- Weight:
- 4.04 LBS
Description
If you're running a YZ450F or WR450F and want measurable gains in displacement and power output, a big bore kit is the most efficient path forward. The Cylinder Works Big Bore Kit delivers bolt-on simplicity without sacrificing the reliability and fit of a factory-engineered solution. You get a complete, matched system that installs in hours, not days, so you can focus on dialing in your setup rather than troubleshooting machine work.
This kit pairs a Nickel Silicon Carbide-plated cylinder with matched Vertex pistons, giving you the durability needed for sustained high-RPM running. The all-in-one package eliminates guesswork—everything you need is included, manufactured to U.S. standards, and ready to bolt onto your existing engine.
- Direct bolt-on installation
- Matched Vertex pistons included
- Nickel Silicon Carbide plating
- Complete gasket and hardware kit
- No re-plating required
- No machine work needed
- Fits YZ450F 2006–2009
- Fits WR450F 2007–2015
- U.S.A. manufactured
- MPN: 21003K01
Specs
ENGINE TYPE: |
4-CYCLE |
PRODUCT NAME: |
CYLINDER KIT |
STYLE: |
BIG BORE |
DISPLACEMENT: |
478 CC |
COMPRESSION RATIO IMPERIAL: |
12.5:1 |
CYLINDER BORE COATING: |
NICKEL-SILICON CARBIDE |
CYLINDER DIAMETER: |
98,00 MM |
CYLINDER DIAMETER METRIC: |
98.00 MM |
OVERBORE METRIC: |
+3.00 MM |
RIDING STYLE: |
OFF-ROAD |
UNITS: |
KIT |
Fitment
Fitment for Cylinder Works Big Bore Kit Yamaha YZ450F 2006-2009 WR450F 2007-2015 21003-K01
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.
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