PISTON KIT 90-94 KTM250 68.00, WOSSNER 8005D050 FORGED
PISTON KIT 90-94 KTM250 68.00, WOSSNER 8005D050 FORGED
Wossner Forged Piston Kit 68.00mm Bore – KTM GS250 / SX250 (1990–1994)
This Wossner forged piston kit is designed for KTM GS250 and SX250 models from 1990 to 1994. It features a 68.00 mm bore and a piston diameter of 67.94 mm (+0.50 mm oversize), suitable for high-performance 2-stroke applications. The piston’s forged construction and elliptical design ensure optimal heat transfer, even thrust distribution, and high durability under thermal expansion. Made in Germany with precision engineering.
Features
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Forged piston for enhanced strength and longevity
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Superior heat dissipation from the combustion chamber
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Elliptical design promotes balanced thrust load and prevents piston collapse
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Precision manufactured in Germany
Specifications
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Bore Size: 68.00 mm
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Piston Diameter: 67.94 mm
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Engine Displacement: 249 cm³
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Stroke: 69.50 mm
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Clearance: 0.06 mm
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Compression Height: 29.70 mm
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Compression Ratio: 2-stroke (Wossner and OEM)
Cross-Reference Wossner Part Numbers
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Piston Kit: 8005D050
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Lock: CW18
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Pin: WP033
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Ring Set: RSB6800 x 2
Vehicle Fitments
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KTM GS250 (1990–1994)
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KTM SX250 (1990–1994)