# Wiseco Yamaha 2005-12 12.51 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
-   82.00 mm Bore, 12.5:1 CR

This Part Fits:

Year

Make

Model

Submodel

2008-2012

Yamaha

FX10 FX Nytro

Base

2012

Yamaha

FX10M FX Nytro MTX 153

Base

2010-2012

Yamaha

FX10M FX Nytro MTX SE 153

Base

2010-2012

Yamaha

FX10M FX Nytro MTX SE 162

Base

2008-2010

Yamaha

FX10MT FX Nytro MTX

Base

2008

Yamaha

FX10MTRA FX Nytro MTX 40th Anniv

Base

2008

Yamaha

FX10RT FX Nytro RTX Non-Reverse

Base

2008-2012

Yamaha

FX10RTR FX Nytro RTX

Base

2008

Yamaha

FX10RTRA FX Nytro RTX 40th Anniv

Base

2009-2012

Yamaha

FX10XT FX Nytro XTX

Base

2005-2008

Yamaha

RS90 RS Vector

Base

2005-2007

Yamaha

RS90M RS Vector Mountain

Base

2006

Yamaha

RS90N Nytro

Base

2008

Yamaha

RS90R RS Vector

Base

2005-2007

Yamaha

RSG90 RS Rage

Base

2005-2009

Yamaha

RST90 RS Venture

Base

2006-2009

Yamaha

VK10 Viking Professional

Base

## Details

- **Price:** 335.69 CAD
- **Vendor:** Wiseco
- **Type:** Piston Sets - Powersports

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 335.69 CAD | In stock |

## Images

- Photo - Primary
- Photo - Primary
- Photo - out of package
- User 1
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> Source: [Standard Auto Part](https://www.standardautopart.com/products/wiseco-yamaha-2005-12-12-51-cr-piston-kit)
> Updated: 2026-07-14