| Size | 66.40 mm |
|---|---|
| Product Type | Pistons & Kits |
| Product Group | Engine |
| Catalogue | DIRT |
| Piston Diameter | 66.40 |
| Bore Diameter | |
| Piston Grade | |
| Compression Ratio |
PISTON KIT 92-01 KX250 66.40 A, WOSSNER 8026DA KAWASAKI MX 13001-1373
Wossner Forged Piston Kit 66.40mm Bore – Kawasaki KX250 (1992–2001)
This Wossner forged piston kit is specifically designed for Kawasaki KX250 models produced from 1992 to 2001. With a standard bore of 66.40 mm and a piston diameter of 66.34 mm, it is built to provide strength, durability, and thermal efficiency for high-performance 2-stroke engines. The forged aluminium construction, combined with an elliptical design, ensures optimal heat transfer and balanced thrust load distribution under engine expansion. Precision-manufactured in Germany for consistent quality and fit.
Features
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Forged construction for superior strength and wear resistance
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Engineered to maximise heat dissipation from combustion chamber to cylinder walls
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Elliptical profile distributes load evenly to reduce localised pressure and piston fatigue
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Manufactured in Germany to high precision standards
Specifications
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Bore Size: 66.40 mm
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Piston Diameter: 66.34 mm
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Engine Displacement: 249 cm³
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Stroke: 72.00 mm
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Clearance: 0.06 mm
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Compression Height: 38.00 mm
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Compression Ratio: 2-stroke (Wossner and OEM)
Cross-Reference OEM and Equivalent Part Numbers
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13001-1373
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09104740
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617M06640
Cross-Reference Wossner Part Numbers
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Piston Kit: 8026DA
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Lock: CW18
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Pin: WP033
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Ring Set: RSB6640 x 2
Vehicle Fitments
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1992 Kawasaki KX250
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1993 Kawasaki KX250
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1994 Kawasaki KX250
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1995 Kawasaki KX250
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1996 Kawasaki KX250
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1997 Kawasaki KX250
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1998 Kawasaki KX250
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1999 Kawasaki KX250
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2000 Kawasaki KX250
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2001 Kawasaki KX250
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