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

• Forged high-compression piston with +0.02mm oversize specification

• Elliptical design ensures even pressure distribution under thermal expansion

• Engineered for superior combustion heat transfer and reliability

• Manufactured in Germany

Specifications

• Bore Size: 76.82mm (actual 76.78mm)

• Displacement: 249 cm³

• Stroke: 53.80 mm

• Clearance: 0.04 mm

• Compression Ratio (Wossner): 14.50:1

• Compression Ratio (OEM): 13.50:1

• Dome Volume: +0.10 cm³

• Compression Height: 28.00 mm

• Theoretical Weight: 19.00 g

• Lock Part Number: CW16

• Pin Part Number: WP070

• Ring Set Part Number: 768XAS

Cross-Reference OEM Part Numbers

• 56-W958.C.WO.HC

Vehicle Fitments

• 2014 Honda CRF250R

• 2015 Honda CRF250R