PISTON KIT 83-87 YZ250 68.75, WOSSNER 8133D075 YAMAHA MX
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Wossner 68.75mm (+0.75mm oversize) forged piston kit, part number 8133D075. This piston kit is manufactured in Germany and features an elliptical design for uniform bearing surface distribution during thermal expansion, reducing localised stress and evenly distributing thrust loads. It is optimised for efficient heat transfer from the combustion chamber to the cylinder walls. Specifications include a bore of 68.75mm, actual diameter of 68.69mm, displacement of 246 cm³, stroke of 68.00mm, clearance of 0.06mm, compression height of 36.00mm, and a 2-stroke compression ratio. This kit includes lock CW18, pin WP033, and two ring sets RSB6875.
- SKU
- 56-W560+075.WO
- Brand
- Wossner
- Availability
- In Stock (1)
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- General Size
- 68.7mm
- Variant Id
- 256833
FULL DESCRIPTION
Wossner Forged Piston Kit for Yamaha YZ250
This Wossner 68.75mm (+0.75mm oversize) forged piston kit is engineered for high-performance Yamaha YZ250 models. Manufactured in Germany, this piston is forged to deliver exceptional strength and longevity, making it ideal for demanding two-stroke engine applications.
Key Features:
- Forged Construction: Offers superior durability and strength for enhanced engine life.
- Elliptical Design: Ensures a consistent bearing surface during thermal expansion, promoting even thrust load distribution and preventing localized stress.
- Optimized Heat Dissipation: Designed for efficient transfer of heat from the combustion chamber to the cylinder walls, crucial for maintaining optimal engine temperatures.
- Precision Manufacturing: Made in Germany to exacting standards for reliable performance.
Specifications:
- Bore: 68.75mm
- Actual Diameter: 68.69mm
- Displacement: 246 cm³
- Stroke: 68.00mm
- Clearance: 0.06mm
- Compression Height: 36.00mm
- Compression Ratio: 2-stroke
Included Components:
- Piston Kit Part Number: 56-W560+
- Wossner Piston Kit Number: 8133D075
- Lock: CW18
- Pin: WP033
- Ring Set: RSB6875 x2
- Rod: P2048 (compatible with 1983–1989 models)
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