2Bros Parts

PISTON KIT 76-79 YZ250 71.00, FORGED WOSSNER 8179D100

£159.46

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Wossner forged piston kit with a 71.00mm bore and 70.94mm diameter. Manufactured in Germany, this piston offers superior strength and design, ensuring optimal heat transfer to cylinder walls. Its elliptical design provides a uniform bearing surface under heat expansion, reducing localized pressure and evenly distributing thrust loads to prevent piston collapse. Features include forged construction for superior strength, optimized heat transfer for efficient combustion, and an elliptical design for uniform load distribution. Specifications include: Bore: 71.00mm, Diameter: 70.94mm, Display (cm³): 246, Stroke (mm): 64.00, Clearance (mm): 0.06, Compression Ratio: 2-Stroke, Compression Height (mm): 33.00. Cross-reference OEM Part Numbers: Wossner Piston Yamaha YZ250 (PN# 8179D100), Lock P/N: CW18, Pin P/N: WP033, Ring Set P/N: RSB7100 x 2.

Specifications
SKU
56-W234+100.WO
Brand
Wossner
Availability
In Stock (2)
General Product Group
Engine
General Product Type
Pistons & Kits
General Size
71mm
Variant Id
255132
Delivery2–4 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Wossner Forged Piston Kit - 71.00mm Bore

Enhance your engine's performance and durability with this Wossner forged piston kit. Precision-engineered in Germany, this piston is designed for optimal strength and heat transfer, ensuring efficient combustion and longevity.

The advanced elliptical design distributes thrust loads evenly, preventing localized pressure and piston collapse even under extreme operating temperatures. This results in a more uniform bearing surface and improved overall engine reliability.

Key Features:

  • Forged Construction: Offers superior strength and resilience compared to cast pistons.
  • Optimized Heat Transfer: Promotes efficient combustion and helps maintain optimal cylinder wall temperatures.
  • Elliptical Design: Ensures uniform load distribution and prevents piston collapse under heat expansion.
  • High-Quality Manufacturing: Proudly made in Germany for exceptional craftsmanship and reliability.

Specifications:

  • Bore: 71.00mm
  • Diameter: 70.94mm
  • Displacement (cm³): 246
  • Stroke (mm): 64.00
  • Clearance (mm): 0.06
  • Compression Ratio: 2-Stroke
  • Compression Height (mm): 33.00

This kit includes necessary components for a complete installation. Please refer to the included part numbers for specific accessories.

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UK delivery is £4.99, or free on orders over £60. Orders ship within 3 working days, then delivery takes 2–4 business days. Delivery details

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