2Bros Parts

PISTON KIT 76-82 YZ125 57.00, FORGED WOSSNER 8115D100

£125.68Only 1 left

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Wossner forged piston kit for Yamaha YZ125 models from 1976 to 1982. Manufactured in Germany, this piston offers superior strength and heat transfer efficiency. The elliptical design ensures even load distribution, reducing localized pressure and preventing piston collapse. Features include forged construction for enhanced durability and strength, optimized heat transfer for improved performance, and an elliptical design for a uniform bearing surface and reduced wear. Designed for 2-stroke engines. Specifications include a bore size of 57.00 mm, actual bore of 56.94 mm, stroke of 56.50 mm, clearance of 0.06 mm, compression height of 25.40 mm, dome volume of +6.40 cm³, compression ratio of 10.50:1 (OEM), and displacement of 123 cm³. Wossner part number 8115D100.

Specifications
SKU
56-W435+100.WO
Brand
Wossner
Availability
In Stock (1)
General Product Group
Engine
General Product Type
Pistons & Kits
General Size
57mm
Variant Id
255587
Delivery2–4 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Wossner Forged Piston Kit for Yamaha YZ125

Enhance the performance and durability of your Yamaha YZ125 with this premium forged piston kit from Wossner. Engineered and manufactured in Germany, this piston is designed to withstand the demanding conditions of 2-stroke engines, offering superior strength and optimal heat transfer for improved power output.

The piston features an innovative elliptical design, which promotes even load distribution across the bearing surface. This reduces localized pressure points, minimizing wear and preventing piston collapse for extended engine life.

Key Features:

  • Forged Construction: Provides exceptional strength and durability for high-performance applications.
  • Optimized Heat Transfer: Ensures efficient dissipation of heat, contributing to consistent performance.
  • Elliptical Design: Creates a uniform bearing surface, reducing wear and enhancing reliability.
  • 2-Stroke Specific: Tailored for the unique requirements of 2-stroke engines.
  • German Engineering: Manufactured to exacting standards in Germany.

Specifications:

  • Bore Size: 57.00 mm
  • Actual Bore: 56.94 mm
  • Stroke: 56.50 mm
  • Clearance: 0.06 mm
  • Compression Height: 25.40 mm
  • Dome Volume: +6.40 cm³
  • Compression Ratio: 10.50:1 (OEM equivalent)
  • Displacement: 123 cm³

Cross-Reference Information:

  • Wossner Part Number: 8115D100
  • Lock P/N: CW16
  • Pin P/N: WP036
  • Ring Set P/N: RSB5700
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