Namura CA-40000K1 Cylinder Kit for Yamaha YFZ450R/YFZ450X
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The Namura CA-40000K1 Cylinder Kit is an application-specific engine component for Yamaha YFZ450R/YFZ450X. It is designed for the verified year, make and model combinations listed below.
Key Features
- Application-specific cylinder component for restoring the listed engine
- Aluminum construction with a nickel-silicon-carbide-plated bore for wear resistance
- Kit combines compatible cylinder, piston and sealing components; verify exact contents before installation
Manufacturer: Namura
Part Number: CA-40000K1
Vehicle Fitment
| Year | Make | Model |
|---|---|---|
| 2009-2026 | Yamaha | YFZ450R |
| 2010-2011 | Yamaha | YFZ450X |
Fitment note: Match the year, make, model and any listed specifications to your machine before ordering. Professional installation is recommended for internal engine components.
Shipping & Returns
- Most orders process within 1 business day.
- 30-day returns on new, unused items.
Once your Steel Steeds gear leaves our warehouse, it typically arrives at your doorstep within 2–4 business days, unless otherwise noted. We partner with trusted shipping carriers to ensure your off-road essentials get to you fast and hassle-free. So gear up with confidence—your next big adventure is just around the corner!
Changed your mind? No problem. Most new, unused, and uninstalled items can be returned within 30 days of delivery.
We do not charge a standard restocking fee. Customers are responsible for return shipping unless the item arrived damaged, defective, or incorrect.
Items must be returned in original packaging and in resalable condition.
We are committed to providing quality products and stand behind our items with a warranty. Exact coverage may vary, so please refer to our warranty page for more details!