# PISTON KIT 76-82 YZ125 56.50, FORGED WOSSNER 8115D050

> Wossner forged piston kit. Bore Size: 56.50 mm, Actual Bore: 56.44 mm, Stroke: 56.50 mm, Clearance: 0.06 mm, Compression Height: 25.40 mm, Dome Volume: +6.40 cm³, Compression Ratio: 10.50:1 (OEM), Displacement: 123 cm³. Features forged construction for enhanced durability and strength, optimized heat transfer for improved performance, and an elliptical design for uniform bearing surface and reduced wear. Designed for 2-stroke engines. Made in Germany. Wossner Part No.: 8115D050. Lock P/N: CW16. Pin P/N: WP036. Ring Set P/N: RSB5650.. Available from 2Bros Parts at £112.58 (inc. 20% VAT).

## Quick Facts

| Detail | Value |
|---|---|
| Price | £112.58 (inc. 20% VAT) |
| Currency | GBP |
| Stock | In stock (1 units) |
| SKU | 56-W435+050.WO |
| Brand    | Wossner |

## Description

### Wossner Forged Piston Kit for Yamaha YZ125 (1976-1982)

Upgrade your Yamaha YZ125's performance and durability with this premium forged piston kit from Wossner. Manufactured in Germany, this high-quality piston is engineered for superior strength and efficient heat transfer, crucial for demanding 2-stroke applications. Its advanced elliptical design ensures even load distribution across the bearing surface, minimizing localized pressure points and preventing premature wear or piston collapse.

#### Key Features:

	
- Forged Construction: Provides exceptional strength and resistance to extreme operating conditions.
	
- Optimized Heat Transfer: Enhances engine cooling for sustained performance.
	
- Elliptical Design: Promotes a uniform bearing surface, reducing wear and extending piston life.
	
- 2-Stroke Engine Specific: Designed to meet the unique demands of 2-stroke powerplants.
	
- Made in Germany: Guarantees precision engineering and high manufacturing standards.

#### Specifications:

	
- Bore Size: 56.50 mm
	
- Actual Bore: 56.44 mm
	
- Stroke: 56.50 mm
	
- Clearance: 0.06 mm
	
- Compression Height: 25.40 mm
	
- Dome Volume: +6.40 cm³
	
- Compression Ratio: 10.50:1 (OEM)
	
- Displacement: 123 cm³

#### Cross-Reference Part Numbers:

	
- Wossner Part No.: 8115D050
	
- Lock P/N: CW16
	
- Pin P/N: WP036
	
- Ring Set P/N: RSB5650

## Specifications

| Attribute | Value |
|---|---|
| General Product Group | Engine |
| General Product Type | Pistons & Kits |
| General Size | 56.6mm |
| Variant Id | 255586 |

## Product Image

![PISTON KIT 76-82 YZ125 56.50, FORGED WOSSNER 8115D050](https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W435_2B050_2EWO/68e11bbf8ea99cb6.jpg)

## Shipping and Returns

- Standard UK delivery: £4.99 (inc. 20% VAT). Free delivery may be available on qualifying orders — see options at checkout.
- 14-day hassle-free returns. See [Returns Policy](https://www.2brosparts.com/returns).
- Refunds processed within 10 business days.

## Where to Buy

This product is available exclusively at [2Bros Parts](https://www.2brosparts.com/products/piston-kit-76-82-yz125-5650-forged-wossner-8115d050).

**Product URL:** https://www.2brosparts.com/products/piston-kit-76-82-yz125-5650-forged-wossner-8115d050