WOSSNER 72mm PISTON KIT C, BETA 300RR 18-21, 300RX 21-25, XTRAINER 300 18-21

The 72.02mm Bore Wossner Piston Kit (Part No. 8309DC) is a +0.02 oversized forged piston developed for Beta RR 300 models from 2018 to 2020. Made in Germany, this piston features a precision-engineered elliptical profile that improves load distribution and minimises risk of failure due to thermal expansion. Its design promotes efficient heat transfer from the combustion chamber to the cylinder walls.

Features

• Forged construction ensures high durability under load

• Designed for efficient thermal conductivity

• Elliptical shape maintains uniform bearing surfaces

• Prevents piston collapse through even load distribution

• Manufactured in Germany

Specifications

• Bore Size: 72.02 mm

• Actual Bore: 71.97 mm

Cross-Reference OEM Part Numbers

• 887M07200

Vehicle Fitments

• 2018 Beta RR 300

• 2019 Beta RR 300

• 2020 Beta RR 300