PISTON KIT 1984 YZ125 57.00, WOSSNER 8120D100 YAMAHA MX
Wossner forged piston kit for Yamaha YZ125 1984 models. This piston kit features a 57mm bore and a 56.94mm actual bore size, with a +1.00 oversize. Wossner pistons are engineered for superior strength and optimal combustion chamber heat transfer, with an elliptical design that distributes thrust loads evenly and prevents piston collapse. Includes lock pin, pin, and ring set. Made in Germany. Specifications: Display (cm3): 123, Hub Stroke (mm): 50.00, Clearance (mm): 0.06, Compression Ratio: 2 stroke, Compression Height (mm): 30.80, Theoretical Weight (G): Not specified. Piston Part Number: 8120D100. Lock P/N: CW16. Pin P/N: WP036. Ring Set P/N: RSB5700.
- SKU
- 56-W512+100.WO
- Brand
- Wossner
- Availability
- In Stock (1)
FULL DESCRIPTION
Wossner Forged Piston Kit for Yamaha YZ125 (1984) - 57.00mm Bore
Upgrade your Yamaha YZ125 with this high-performance Wossner forged piston kit. Engineered in Germany, Wossner pistons are renowned for their superior strength and advanced design, offering optimal combustion chamber heat transfer to cylinder walls. The elliptical design ensures a uniform bearing surface even under extreme heat expansion, preventing localized pressure and distributing thrust loads evenly to avoid piston collapse.
This kit includes everything needed for a precise installation:
- Piston: 57.00mm Bore (Wossner Part Number: 8120D100)
- Lock Piston Rings: CW16
- Piston Pin: WP036
- Ring Set: RSB5700
Key Specifications:
- Bore Size: 57.00mm
- Piston Size Increment: +1.00
- Hub Stroke: 50.00mm
- Piston Clearance: 0.06mm
- Compression Height: 30.80mm
- Theoretical Weight: 210g
- Engine Type: 2 Stroke
