| Size | 68.50mm |
|---|---|
| Product Type | Pistons & Kits |
| Product Group | Engine |
| Catalogue | DIRT, ROAD |
| Piston Diameter | 68.50 |
| Bore Diameter | |
| Piston Grade | |
| Compression Ratio |
PISTON KIT 90-91 KX250 68.50, WOSSNER 8109D110 KAWASAKI MX
Wossner Forged Piston Kit 68.50mm Bore – Kawasaki KX250 / KDX250 (1990–1994)
This Wossner forged piston kit is made for Kawasaki KX250 and KDX250 models produced between 1990 and 1994. With a bore size of 68.50 mm and a piston diameter of 68.44 mm (+1.10 mm oversize), it is designed for overbored or re-sleeved cylinders. The piston’s forged construction ensures enhanced durability, while its elliptical shape promotes even pressure distribution under thermal expansion. Precision-manufactured in Germany for high-performance reliability.
Features
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Forged piston for maximum strength and extended durability
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Optimised combustion heat transfer to maintain cylinder integrity
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Elliptical geometry provides consistent load distribution and minimises piston wear
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Manufactured in Germany for precision and consistency
Specifications
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Bore Size: 68.50 mm
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Piston Diameter: 68.44 mm
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Engine Displacement: 250 cm³
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Stroke: 70.00 mm
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Clearance: 0.06 mm
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Compression Height: 37.00 mm
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Compression Ratio: 2-stroke (Wossner and OEM)
Cross-Reference Wossner Part Numbers
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Piston Kit: 8109D110
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Lock: CW18
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Pin: WP033
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Ring Set: RSB6850
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Rod: P2022
Vehicle Fitments
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1990 Kawasaki KX250
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1991 Kawasaki KX250
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1991 Kawasaki KDX250
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1992 Kawasaki KDX250
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1993 Kawasaki KDX250
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1994 Kawasaki KDX250
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