PISTON KIT 02-04 YZ125 54.00 B, WOSSNER 8072DB YAMAHA MX
Wossner forged piston kit with 54.01mm bore and 53.95mm piston diameter. Designed for Yamaha YZ125 2-stroke engines. Features superior strength, long-term durability, and optimal heat transfer. Elliptical profile promotes uniform bearing surface and prevents piston collapse by evenly distributing thrust loads. Manufactured in Germany. Specifications include 125 cm³ displacement, 54.50mm stroke, 0.06mm clearance, 28.00mm compression height. Includes lock CW15, pin WP032, ring set RSB5400, rod P2017. Part number 56-W797.B.WO, piston part number 8072DB. Cross-references OEM part numbers 5NY-11631-01-D0, 5NY-11631-01-C0, 5NY-11631-01-B0, 5NY-11631-01-A0, ring 5NY-11611-00-00, pin 5UN-11633-00-00, circlip 93450-16068-00.
- SKU
- 56-W797.B.WO
- Brand
- Wossner
- Availability
- In Stock (1)
FULL DESCRIPTION
Wossner Piston Kit - Yamaha YZ125 (2002-2004)
Upgrade your Yamaha YZ125's performance with this high-quality Wossner Piston Kit. Designed for the 2002 to 2004 model years, this kit features a precision-engineered piston for optimal power and reliability.
Key Features:
- Forged piston construction for superior strength and long-term durability.
- Engineered for optimal heat transfer from the combustion chamber to the cylinder walls.
- Elliptical piston profile promotes a uniform bearing surface under thermal expansion.
- Prevents piston collapse by evenly distributing thrust loads and reducing pressure points.
- Manufactured in Germany for exceptional quality control.
Specifications:
- Bore: 54.01mm
- Piston Diameter: 53.95mm
- Engine Displacement: 125 cm³
- Stroke: 54.50mm
- Clearance: 0.06mm
- Compression Height: 28.00mm
- Wossner Compression Ratio: 2-stroke
- OEM Compression Ratio: 2-stroke
Included Components:
- Lock: CW15
- Pin: WP032
- Ring Set: RSB5400
- Rod: P2017
- Piston Part Number: 8072DB
