PISTON KIT 99-18 YZ250 66.40 A WOSSNER 8216DA YAMAHA MX 2 RING PISTON
Wossner forged piston kit for Yamaha YZ250 models. Bore size 66.40mm, actual piston size 66.35mm. Precision-manufactured in Germany for high durability and reliable performance. Features include optimised heat transfer and elliptical design for even load distribution. Specifications: Bore size 66.40 mm, Actual piston size 66.35 mm, Display (cm³) 249, Stroke (mm) 54.10, Clearance (mm) 0.06, Compression ratio 2-stroke, Compression height (mm) 28.00. Included components: Piston (Wossner PN# 8216DA, 2-ring), Lock (PN# CW18), Pin (PN# WP033), Ring Set (PN# RSB6640 x 2), Rod (PN# P2028). Cross-Reference OEM Part Numbers: 1P8-11631-00-A0, 1P8-11631-00-B0, 1P8-11631-00-C0, 1P8-11631-00-D0, 5CU-11603-10-00, 5UP-11633-00-00, 93450-19052-00. Weight: 320 grams.
- SKU
- 56-W742.A.WO
- Brand
- Wossner
- Availability
- In Stock (3)
FULL DESCRIPTION
Wossner Piston Kit for Yamaha YZ250
This Wossner piston kit is engineered for high-performance Yamaha YZ250 motorcycles. Manufactured in Germany, the forged piston offers exceptional strength and durability, designed to withstand the rigors of two-stroke racing and performance riding.
Key Features
- Forged piston construction for superior mechanical strength and longevity.
- Optimized design for efficient heat transfer from the combustion chamber to the cylinder walls, enhancing thermal performance.
- Elliptical piston design promotes even load distribution, reducing the risk of piston collapse and ensuring consistent operation.
- Precision manufactured in Germany to exacting standards for reliable performance.
- Includes a 2-ring piston (Wossner PN# 8216DA), lock (PN# CW18), pin (PN# WP033), ring set (PN# RSB6640 x 2), and rod (PN# P2028).
Specifications
- Bore Size: 66.40 mm
- Actual Piston Size: 66.35 mm
- Displacement (cm³): 249
- Stroke (mm): 54.10
- Clearance (mm): 0.06
- Compression Ratio: 2-stroke (Wossner and OEM compatible)
- Compression Height (mm): 28.00
