PISTON KIT 87-08 YFZ350 65.25, WOSSNER 8075D125 YAMAHA ATV
PISTON KIT 87-08 YFZ350 65.25, WOSSNER 8075D125 YAMAHA ATV
This Wossner forged piston kit with a 65.25mm bore (65.19mm actual) is built for Yamaha two-stroke engines such as the YFZ350 Banshee, RD350 models, RZ350, and others. Manufactured in Germany, it features a forged construction and elliptical design that enhances structural integrity, improves heat transfer, and promotes uniform load distribution to reduce piston collapse under thermal stress.
Features
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Forged piston construction for high strength and durability
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Engineered for effective heat transfer from combustion chamber to cylinder walls
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Elliptical profile ensures even pressure distribution under expansion
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Made in Germany
Specifications
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Bore size: 65.25mm (65.19mm)
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Display volume: 347 cm³
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Stroke: 54.00 mm
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Clearance: 0.06 mm
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Compression height: 36.00 mm
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Dome volume: Not specified
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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: 8075D125
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Lock: CW16
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Pin: WP027
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Ring Set: RSB6525 x 2
Vehicle Fitments
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Yamaha YFZ350 Banshee 1987–2007
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Yamaha RD350 LC - YPVS 1980–1987
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Yamaha RD350 AC 1950–2014
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Yamaha RZ350 1982–1990
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Yamaha YFM350 1987–2008
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Yamaha RD350 1973–1975