PISTON KIT 1983 &85 YZ125 57mm, WOSSNER 8119D100 YAMAHA
Wossner forged piston kit features a 57mm bore (56.94mm) and is designed for use in Yamaha YZ125 models from 1983 and 1985. Manufactured in Germany, this piston is engineered for improved heat transfer, uniform bearing surface, and even thrust load distribution, reducing the risk of piston collapse under high-performance conditions. Features include forged piston construction for superior strength, engineered for optimal combustion chamber heat transfer, and elliptical design for uniform bearing surface under heat expansion. Specifications include a 57mm bore (56.94mm), 83 cm³ display volume, 84.00 mm stroke, 0.06 mm clearance, 30.80 mm compression height, and a 2-stroke compression ratio. Cross-reference OEM part numbers are 8119D100 for Piston, CW16 for Lock, WP036 for Pin, and RSB5700 for Ring Set.
- SKU
- 56-W503+100.WO
- Brand
- Wossner
- Availability
- In Stock (1)
FULL DESCRIPTION
Wossner Forged Piston Kit 57mm
Enhance your motorcycle's performance with this Wossner forged piston kit, meticulously engineered for superior strength and heat dissipation. Manufactured in Germany, this piston features a precise 57mm bore (56.94mm) designed to withstand the demands of high-performance riding.
Key Features:
- Forged piston construction for exceptional durability and strength.
- Optimized for superior combustion chamber heat transfer, leading to improved efficiency.
- Elliptical design ensures a consistent bearing surface, even under thermal expansion, preventing piston collapse.
- Precision German engineering and manufacturing.
Specifications:
- Bore Size: 57mm (actual 56.94mm)
- Stroke: 84.00 mm
- Clearance: 0.06 mm
- Compression Height: 30.80 mm
- Compression Ratio: 2-stroke (compatible with Wossner and OEM specifications)
