Wossner Piston Kit 87-07 YFS200 70.00, Wossner 8101d400 Yamaha ATV
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56-W573+400.WOWossner Forged Piston Kit 8101D400 – 70mm Bore (+4.00) for Yamaha YFS200 Blaster
The Wossner 8101D400 forged piston kit is designed for enhanced performance and endurance in Yamaha YFS200 Blaster engines. With a 70mm (+4.00mm) bore, this piston offers increased displacement while maintaining excellent structural integrity under thermal and mechanical stress. Featuring an elliptical profile, it improves heat dissipation and load distribution, effectively reducing wear and minimising the risk of piston collapse. Precision-crafted in Germany, it is tailored for two-stroke engine configurations.
Features
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Forged aluminium construction for strength and durability
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Elliptical piston shape supports even expansion and load balance
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Optimised heat transfer to cylinder walls
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Manufactured in Germany for consistent quality
Specifications
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Bore Size: 70.00 mm (actual diameter 69.94 mm)
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Stroke: 57.00 mm
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Display Volume: 199 cm³
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Compression Height: 29.90 mm
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Clearance: 0.06 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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Piston Kit: 8101D400
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Lock: CW16
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Pin: WP027
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Ring Set: RSB700 x2
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Rod: P2030
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Kit Part No: 56-W573+400.WO
Vehicle Fitments
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1988 Yamaha YFS200 Blaster
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1989 Yamaha YFS200 Blaster
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1990 Yamaha YFS200 Blaster
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1991 Yamaha YFS200 Blaster
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1992 Yamaha YFS200 Blaster
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1993 Yamaha YFS200 Blaster
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1994 Yamaha YFS200 Blaster
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1995 Yamaha YFS200 Blaster
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1996 Yamaha YFS200 Blaster
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1997 Yamaha YFS200 Blaster
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1998 Yamaha YFS200 Blaster
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1999 Yamaha YFS200 Blaster
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2000 Yamaha YFS200 Blaster
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2001 Yamaha YFS200 Blaster
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2002 Yamaha YFS200 Blaster
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2003 Yamaha YFS200 Blaster
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2004 Yamaha YFS200 Blaster
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2005 Yamaha YFS200 Blaster
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2006 Yamaha YFS200 Blaster
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