PISTON KIT 14-15 CRF250 76.80, 8912DC WOSSNER HONDA
PISTON KIT 14-15 CRF250 76.80, 8912DC WOSSNER HONDA
This Wossner forged high-compression piston kit features a 76.82mm bore size (76.78mm actual), providing a +0.02mm oversize fitment for Honda CRF250R models from 2014 to 2015. Manufactured in Germany, the piston includes a high-compression dome and an elliptical profile for consistent thrust load distribution and effective thermal management, delivering increased performance and engine durability.
Features
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Forged high-compression piston with +0.02mm oversize specification
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Elliptical design ensures even pressure distribution under thermal expansion
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Engineered for superior combustion heat transfer and reliability
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Manufactured in Germany
Specifications
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Bore Size: 76.82mm (actual 76.78mm)
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Displacement: 249 cm³
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Stroke: 53.80 mm
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Clearance: 0.04 mm
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Compression Ratio (Wossner): 14.50:1
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Compression Ratio (OEM): 13.50:1
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Dome Volume: +0.10 cm³
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Compression Height: 28.00 mm
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Theoretical Weight: 19.00 g
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Lock Part Number: CW16
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Pin Part Number: WP070
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Ring Set Part Number: 768XAS
Cross-Reference OEM Part Numbers
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56-W958.C.WO.HC
Vehicle Fitments
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2014 Honda CRF250R
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2015 Honda CRF250R