PISTON KIT 85-87 YZ80 50.00, WOSSNER 8186D200 YAMAHA MX
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This item is dispatched directly to you by our supplier. Supplier stock is separate from stock held at BTP.
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PISTON KIT 85-87 YZ80 50.00, WOSSNER 8186D200 YAMAHA MX is available to order. Please contact us to confirm availability and lead time.
Pickup currently unavailable at Braydon Trailers HQ
BTP – Your Trusted Trailer & ATV Specialists in the South West
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Description
Description
This Wossner piston kit is designed for Yamaha YZ80 models from 1985 to 1987, featuring a 50.00 mm bore with an actual piston diameter of 49.95 mm. Manufactured in Germany, the forged piston delivers high strength and efficient heat transfer from the combustion chamber to the cylinder walls. The elliptical design ensures uniform bearing surface under heat expansion, minimizing localized stress and reducing the risk of piston failure.
Features
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Forged piston construction for durability under high stress
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Designed for optimal combustion heat transfer
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Elliptical profile ensures even thrust load distribution
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Manufactured in Germany
Specifications
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Bore size: 50.00 mm
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Actual piston diameter: 49.95 mm
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Display (cm³): 82
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Stroke: 45.60 mm
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Clearance: 0.05 mm
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Compression height: 26.80 mm
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Wossner compression ratio: 2-stroke
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OEM compression ratio: 2-stroke
Cross-Reference OEM Part Numbers
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Wossner Piston Part Number: 8186D200
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Lock Part Number: CW12
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Pin Part Number: WP091
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Ring Set Part Number: RSB5000
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Alternate Part Number: 56-W520+200.WO
Vehicle Fitments
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Yamaha YZ80 1985
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Yamaha YZ80 1986
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Yamaha YZ80 1987
