PISTON KIT 12-18 CRF150R 66.00, 8861DA WOSSNER, 13101-KSE-A70

Wossner forged piston kit 8861DA is a standard-size piston with a 66mm bore (measured at 65.95mm) designed for Honda CRF150R models from 2012 to 2018. Featuring a hard Teflon skirt coating and advanced thermal engineering, this piston offers a reliable fit, excellent durability, and consistent performance. Manufactured in Germany, it is optimised for OEM compatibility.

Features

• Forged construction ensures superior strength and longevity

• Elliptical profile provides uniform bearing surface under heat expansion

• Enhanced heat transfer from combustion chamber to cylinder walls

• Teflon skirt coating for optimal fit and conformity to cylinder bore

• Reduces localised pressure to prevent piston collapse

• Made in Germany

Specifications

• Bore: 66mm (Measured: 65.95mm)

• Display Volume: 149 cm³

• Stroke: 43.80mm

• Clearance: 0.05mm

• Compression Height: 20.60mm

• Wossner Compression Ratio: OEM

• OEM Compression Ratio: 11.70:1

• Dome Volume: -1.40 cm³

• Part No.: 56-W914.A.WO (Wossner 8861DA)

• Ring Set: 660XKS

• Lock P/N: CW14

• Pin P/N: WP058

Cross-Reference OEM Part Numbers

• 13101-KSE-A70

Vehicle Fitments

• 2012 Honda CRF150R

• 2013 Honda CRF150R

• 2014 Honda CRF150R

• 2015 Honda CRF150R

• 2016 Honda CRF150R

• 2017 Honda CRF150R

• 2018 Honda CRF150R