# Wiseco Yamaha YFZ450 04-13/450R 09-19 11.41 CR Piston Kit

The Wiseco team has remained at the forefront of powersports performance through every era and evolution, including the development of high-performance 4-strokes. Today, Wiseco's forged 4-stroke pistons are designed for each specific engine application and built to the tightest tolerances for the ultimate combination of performance and strength. Proven at every level of riding, Wiseco 4-stroke pistons are ready to deliver the power and reliability you're looking for.

-   Complete Package: Each piston includes a wrist pin, rings, and circlips, providing everything needed for installation
-   Forged Material: Optimizes strength and service life, ensuring durability under high-stress conditions
-   Performance-Enhancing Features: Varied across applications to maximize both durability and power
-   Improved tensile strength of forged material optimizes strength and service life
-   Designed and built for each specific 4-stroke powersports engine
-   Dedicated forgings allow for optimized strength-to-weight ratio
-   Includes high-quality piston rings, wrist pin(s), and circlips
-   Engineered, forged, and machined in the USA in Mentor, OH
-   96.00 mm Bore, 11.4:1 CR

This Part Fits:

Year

Make

Model

Submodel

2004-2013

Yamaha

YFZ450

Base

2006-2007

Yamaha

YFZ450 Bill Balance Edition

Base

2007-2008

Yamaha

YFZ450 SE

Base

2009-2024

Yamaha

YFZ450R

Base

2009-2020

Yamaha

YFZ450R SE

Base

2010-2011

Yamaha

YFZ450X

Base

2010

Yamaha

YFZ450X Bill Balance

Base

2011

Yamaha

YFZ450X SE

Base

2006-2009

Yamaha

YXR45F Rhino 450

Base

2007-2008

Yamaha

YXR45F Rhino 450 Special Edition

Base

2004-2013

Yamaha

YZ450F

Base

## Details

- **Price:** 389.29 CAD
- **Vendor:** Wiseco
- **Type:** Piston Sets - Powersports

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 389.29 CAD | In stock |

## Images

- Photo - Primary
- Photo - Primary
- User 1
- Photo - out of package
- User 1
- User 1
- User 1
- User 1
- User 1
- User 1

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/wiseco-yamaha-yfz450-04-13-450r-09-19-11-41-cr-piston-kit-1)
> Updated: 2026-07-14