PISTON KIT 1983 &85 YZ125 57.5, WOSSNER 8119D150 YAMAHA
Wossner forged piston kit with a 57.50mm bore (57.44mm) for Yamaha YZ125 1983 and 1985 models. Manufactured in Germany, this piston offers enhanced strength, optimized heat transfer, and uniform bearing surface under thermal expansion for reliable performance. Specifications include a display volume of 83 cm³, 84.00 mm stroke, 0.06 mm clearance, 30.80 mm compression height, and a 2-stroke compression ratio. Includes piston, lock CW16, pin WP036, and ring set RSB5750. Piston part number: 8119D150.
- SKU
- 56-W503+150.WO
- Brand
- Wossner
- Availability
- In Stock (3)
FULL DESCRIPTION
Wossner Forged Piston Kit for Yamaha YZ125
This high-performance forged piston kit from Wossner is engineered to provide superior strength and durability for your Yamaha YZ125. Manufactured in Germany, this piston is designed to optimize heat transfer, ensuring effective cooling from the combustion chamber to the cylinder walls. Its elliptical profile guarantees a uniform bearing surface, even under thermal expansion, preventing piston collapse during demanding performance conditions.
Key Features:
- Forged piston construction for enhanced strength and longevity.
- Optimized design for efficient heat transfer and temperature regulation.
- Elliptical profile ensures consistent bearing surface for reliable performance.
- Precision manufactured in Germany for exceptional quality.
Specifications:
- Bore Size: 57.50mm (actual 57.44mm)
- Display Volume: 83 cm³
- Stroke: 84.00 mm
- Clearance: 0.06 mm
- Compression Height: 30.80 mm
- Compression Ratio: 2-stroke (compatible with Wossner and OEM specifications)
Included Components:
- Piston (Part Number: 8119D150)
- Lock (Part Number: CW16)
- Pin (Part Number: WP036)
- Ring Set (Part Number: RSB5750)
