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Wossner  |  SKU: 56-W512+075.WO
New arrival

PISTON KIT 1984 YZ125 56.75, WOSSNER 8120D075 YAMAHA MX

Available from Supplier — dispatched directly

This item is dispatched directly to you by our supplier. Supplier stock is separate from stock held at BTP.

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Regular price
£92.40

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Description

This Wossner forged piston kit with a 56.75mm bore (56.69mm) is designed for the 1984 Yamaha YZ125. 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.

Features

  • Forged piston for enhanced strength and durability

  • Designed for optimal heat transfer from combustion to cylinder walls

  • Elliptical profile provides uniform pressure distribution under thermal expansion

  • Made in Germany

Specifications

  • Bore size: 56.75mm (56.69mm)

  • Display volume: 123 cm³

  • Stroke: 50.00 mm

  • Clearance: 0.06 mm

  • Compression height: 30.80 mm

  • Theoretical weight: Not specified

  • Compression ratio: 2-stroke (Wossner and OEM)

Cross-Reference OEM Part Numbers

  • Piston: 8120D075

  • Lock: CW16

  • Pin: WP036

  • Ring Set: RSB5675

Vehicle Fitments

  • Yamaha YZ125 1984