PISTON KIT 87-09 YFZ350 66.00, WOSSNER 8075D200 YAMAHA ATV
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Delivery to United States 5–8 business days
This Wossner forged piston kit features a 66.00mm bore and is designed for Yamaha two-stroke engines. Manufactured in Germany, the piston is built for strength, consistent performance, and efficient heat dissipation. Its elliptical design ensures even surface contact during thermal expansion, minimising stress concentrations and reducing the potential for piston failure. Specifications include a 66.00mm bore (65.94mm actual), 347 cm³ display volume, 54.00 mm stroke, 0.06 mm clearance, and 36.00 mm compression height. The compression ratio is 2-stroke (Wossner and OEM). Cross-reference OEM part numbers: Piston 8075D200, Lock CW16, Pin WP027, Ring Set RSB6600 x 2. Weight is 238 grams.
- SKU
- 56-W513+200.WO
- Brand
- Wossner
- Availability
- Out of Stock
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- General Size
- 66mm
- Variant Id
- 256634
FULL DESCRIPTION
Wossner Forged Piston Kit for Yamaha Two-Stroke Engines
This high-performance Wossner forged piston kit is engineered for durability and consistent power delivery in Yamaha two-stroke engines. Manufactured in Germany, this piston features a precise 66.00mm bore (65.94mm actual) and is designed for optimal heat dissipation, ensuring reliable operation even under demanding conditions. The innovative elliptical design of the piston promotes even surface contact during thermal expansion, effectively minimizing stress concentrations and reducing the risk of component failure.
Key Features:
- Forged piston construction for superior strength and longevity.
- Optimized for efficient heat transfer from the combustion chamber to the cylinder walls.
- Elliptical profile ensures uniform load distribution as the piston expands.
- Precision manufactured in Germany.
Specifications:
- Bore Size: 66.00mm (65.94mm actual)
- Stroke: 54.00 mm
- Clearance: 0.06 mm
- Compression Height: 36.00 mm
- Compression Ratio: 2-stroke (compatible with Wossner and OEM specifications)
Included Components:
- Piston: Wossner part number 8075D200
- Lock: CW16
- Pin: WP027
- Ring Set: RSB6600 x 2
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