PISTON KIT 1984 YZ125 56.75, WOSSNER 8120D075 YAMAHA MX

¥17,314
1

Wossner forged piston kit with a 56.75mm bore. Manufactured in Germany, it delivers improved strength and efficient thermal conductivity. Its elliptical design ensures a more uniform bearing surface under heat expansion, promoting even thrust load distribution and reducing the risk of piston collapse. Bore size: 56.75mm (56.69mm). Display volume: 123 cm³. Stroke: 50.00 mm. Clearance: 0.06 mm. Compression height: 30.80 mm. Compression ratio: 2-stroke (Wossner and OEM). Piston: 8120D075. Lock: CW16. Pin: WP036. Ring Set: RSB5675.

Specifications
SKU
56-W512+075.WO
Brand
Wossner
Availability
In Stock (1)
General Product Group
Engine
General Product Type
Pistons & Kits
General Size
56.75mm
Variant Id
256604
Shipping OptionsShown at checkout
14-Day ReturnsHassle-free
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Product details

FULL DESCRIPTION

Wossner Forged Piston Kit - 56.75mm Bore

Upgrade your 1984 Yamaha YZ125 with this high-performance Wossner forged piston kit. Engineered in Germany, this piston is designed for enhanced strength, durability, and efficient thermal conductivity. Its advanced elliptical profile ensures a more uniform bearing surface under heat expansion, promoting even thrust load distribution and reducing the risk of piston collapse for optimal performance and longevity.

Key Features:

  • Forged piston construction for superior strength and resilience.
  • Optimized for efficient heat transfer from combustion to cylinder walls.
  • Elliptical design promotes uniform pressure distribution during thermal expansion.
  • Manufactured in Germany to exacting standards.

Specifications:

  • Bore Size: 56.75mm (actual 56.69mm)
  • Display Volume: 123 cm³
  • Stroke: 50.00 mm
  • Clearance: 0.06 mm
  • Compression Height: 30.80 mm
  • Compression Ratio: 2-stroke (compatible with Wossner and OEM specifications)

Component Details:

  • Piston Part Number: 8120D075
  • Lock Ring: CW16
  • Piston Pin: WP036
  • Ring Set: RSB5675