2Bros Parts

PISTON KIT 86-88 YZ125 57.00, WOSSNER 8118D100 YAMAHA MX

£125.68Only 1 left

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This Wossner 57.00mm (+1.00 oversize) forged piston kit features a high-strength forged construction with an elliptical design that enhances structural integrity, promotes even distribution of combustion forces, and improves thermal management. Its design ensures consistent and reliable performance under demanding riding conditions. Features include a forged piston for high strength and durability, an elliptical design for a uniform bearing surface during heat expansion, and even thrust load distribution to help prevent localized stress and piston collapse. Designed for effective combustion heat transfer to the cylinder walls. Manufactured in Germany. Specifications: Bore 57.00mm, actual diameter 56.94mm, displacement 123 cm³, stroke 50.00mm, clearance 0.06mm, compression height 30.00mm, compression ratio 2-stroke. Cross-Reference OEM Part Numbers: Piston Kit Part No. 56-W559+100.WO, Wossner Piston Kit No. 8118D100, Lock CW16, Pin WP036, Ring Set RSB5700.

Specifications
SKU
56-W559+100.WO
Brand
Wossner
Availability
In Stock (1)
General Product Group
Engine
General Product Type
Pistons & Kits
General Size
57mm
Variant Id
256821
Delivery2–4 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Wossner Forged Piston Kit 57.00mm (+1.00 Oversize)

This Wossner forged piston kit is designed for enhanced performance and durability. Engineered with precision, it features a robust construction that withstands high stresses and temperatures common in racing and performance riding.

Key Features:

  • High-strength forged construction for superior durability.
  • Elliptical piston design promotes uniform bearing surface during thermal expansion.
  • Distributes thrust loads evenly to prevent localized stress and potential piston collapse.
  • Optimized for efficient combustion heat transfer to the cylinder walls, aiding in thermal management.
  • Manufactured in Germany to exacting standards.

Specifications:

  • Bore Size: 57.00mm
  • Actual Piston Diameter: 56.94mm
  • Displacement: 123 cm³
  • Stroke: 50.00mm
  • Recommended Clearance: 0.06mm
  • Compression Height: 30.00mm
  • Compression Ratio: 2-stroke

Included Components:

  • Piston
  • Lock Rings (CW16)
  • Pin (WP036)
  • Ring Set (RSB5700)
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