# Wiseco 05-19 Yamaha YZ125 GP Series 2126CS Piston Kit

Wiseco's GP Series forged 2-stroke pistons build on the tried-and-true base of the Pro-Lite. Wiseco GP Series 2-stroke pistons incorporate additional performance and durability enhancing features including an Electra-Coated crown, ring groove(s), and pin bores plus ArmorGlide skirt coating, making them perfect for endurance and sustained-RPM 2-stroke applications. From play riders putting in hard hours to consistent competition, GP Series 2-stroke pistons are up to the challenge.

-   Electra-Coated crown, ring groove and pin bore resists potential wear, combustion heat damages, and ring micro-welding
-   ArmorGlife skirt coating reduces friction to optimize performance potential
-   Designed with optimized features for long service life and top-end power
-   Extra lightening operations for enhanced throttle response
-   Engineered, forged, and machined in the USA in Mentor, OH
-   High-quality ring(s), wrist pin(s), and circlips included
-   Designed for endurance and sustained-RPM 2-stroke riding

This Part Fits:

Year

Make

Model

Submodel

2005-2021

Yamaha

YZ125

Base

2020-2022

Yamaha

YZ125X

Base

## Details

- **Price:** 278.19 CAD
- **Vendor:** Wiseco
- **Type:** Piston Sets - Powersports

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 278.19 CAD | In stock |

## Images

- Photo - Primary
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- Photo - out of package
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> Source: [Standard Auto Part](https://www.standardautopart.com/products/wiseco-05-19-yamaha-yz125-gp-series-2126cs-piston-kit)
> Updated: 2026-07-03