PISTON KIT 99-18 YZ250 66.40 B, WOSSNER 8216DB YAMAHA MX, 2 RING PISTON
Wossner 8216DB piston kit featuring a 66.41mm bore (0.01mm oversize, 66.36mm actual size) and forged 2-ring construction for Yamaha YZ250 models. Precision-made in Germany, this piston is engineered for high-performance, offering strength, durability, and optimized heat transfer. Features include an elliptical shape for uniform bearing surface and reduced risk of piston collapse. Specifications: bore size 66.41 mm, actual piston size 66.36 mm, display (cm³) 249, stroke 54.10 mm, clearance 0.06 mm, compression ratio 2-stroke, compression height 28.00 mm. Included components: Piston Wossner PN# 8216DB (2-ring), Lock PN# CW18, Pin PN# WP033, Ring Set PN# RSB6640 x 2, Rod PN# P2028.
- SKU
- 56-W742.B.WO
- Brand
- Wossner
- Availability
- In Stock (9)
FULL DESCRIPTION
Wossner High-Performance Piston Kit
Enhance the performance and reliability of your motorcycle with this Wossner piston kit. Engineered for demanding applications, this kit features a forged 2-ring piston designed for exceptional strength and thermal efficiency. Precision-made in Germany, Wossner pistons are built to withstand the rigors of high-performance two-stroke engines.
Key Features:
- Forged Construction: Provides maximum strength and durability for high-stress environments.
- Optimised Heat Transfer: Designed to efficiently transfer heat from the combustion chamber to the cylinder walls, improving thermal management.
- Elliptical Piston Shape: Ensures a uniform bearing surface, reducing wear and minimizing the risk of piston collapse under thermal stress.
- High-Quality Materials: Built to exacting standards for reliable performance and longevity.
- Precision Manufacturing: Made in Germany for superior quality and fitment.
Specifications:
- Bore Size: 66.41 mm
- Actual Piston Size: 66.36 mm
- Displacement (cm³): 249
- Stroke (mm): 54.10
- Clearance (mm): 0.06
- Compression Height (mm): 28.00
- Compression Ratio: 2-stroke (Wossner and OEM)
Included Components:
- Piston: Wossner PN# 8216DB (2-ring)
- Lock: PN# CW18
- Pin: PN# WP033
- Ring Set: PN# RSB6640 x 2
- Rod: PN# P2028
