PISTON KIT 83-87 YZ250 69.50, WOSSNER 8133D150 YAMAHA MX
Wossner forged piston kit with 69.50 mm bore, designed for increased displacement and enhanced performance. This piston kit offers increased durability, efficient heat transfer, and uniform load distribution. Its elliptical profile accommodates thermal expansion, reducing stress and extending piston lifespan. Manufactured in Germany with high-precision standards. Features include a forged piston for durability, optimal combustion heat transfer, and an elliptical shape to minimise localised pressure and distribute thrust loads. Engineered for 2-stroke engines. Specifications: Bore 69.50 mm, Actual Bore Diameter 69.44 mm, Compression Height 36.00 mm, Display Volume 246 cm³, Stroke 68.00 mm, Clearance 0.06 mm, Compression Ratio 2-stroke. Cross-reference OEM Part Numbers: Piston Kit 8133D150, Lock CW18, Pin WP033, Ring Set RSB6950 (x2), Rod P2048, Alternate Part No. 56-W560+150.WO. Weight 356 grams.
- SKU
- 56-W560+150.WO
- Brand
- Wossner
- Availability
- In Stock (4)
FULL DESCRIPTION
Wossner Forged Piston Kit for Yamaha YZ250 (1983-1987)
Enhance the performance and durability of your Yamaha YZ250 with this premium forged piston kit from Wossner. Engineered for precision and built to last, this kit is designed to meet the demands of high-performance two-stroke engines.
Key Features:
- Forged construction for superior strength and longevity.
- Optimized for efficient combustion heat transfer, promoting better engine performance.
- Elliptical piston profile designed to minimize localized pressure and effectively distribute thrust loads.
- Specifically engineered for two-stroke engine applications.
- Manufactured in Germany to exacting standards.
Specifications:
- Bore: 69.50 mm
- Actual Bore Diameter: 69.44 mm
- Compression Height: 36.00 mm
- Display Volume: 246 cm³
- Stroke: 68.00 mm
- Clearance: 0.06 mm
- Compression Ratio: Compatible with Wossner and OEM specifications for 2-stroke engines.
Kit Components:
- Piston Kit Part Number: 8133D150
- Lock Ring Part Number: CW18
- Wrist Pin Part Number: WP033
- Ring Set Part Number: RSB6950 (includes two rings)
- Connecting Rod Part Number: P2048 (suitable for 1983-1989 models)
