PISTON KIT 1984 YZ125 56.75, WOSSNER 8120D075 YAMAHA MX
PISTON KIT 1984 YZ125 56.75, WOSSNER 8120D075 YAMAHA MX
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
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Forged piston for enhanced strength and durability
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Designed for optimal heat transfer from combustion to cylinder walls
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Elliptical profile provides uniform pressure distribution under thermal expansion
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Made in Germany
Specifications
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Bore size: 56.75mm (56.69mm)
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Display volume: 123 cm³
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Stroke: 50.00 mm
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Clearance: 0.06 mm
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Compression height: 30.80 mm
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Theoretical weight: Not specified
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Compression ratio: 2-stroke (Wossner and OEM)
Cross-Reference OEM Part Numbers
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Piston: 8120D075
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Lock: CW16
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Pin: WP036
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Ring Set: RSB5675
Vehicle Fitments
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Yamaha YZ125 1984