Beta RR 250 2 T X-PRO [2025] - Complete top end kit - cast pistons

VERTEX Top End Kit with cast piston for Beta RR 250 2 T X-PRO

The VERTEX Complete Top End Kit - Cast Pistons bundles the components for overhauling the upper engine area of the Beta RR 250 2 T X-PRO. As a two-stroke kit, it includes not only the piston but also the appropriate parts for the piston pin, piston seal and the upper engine seal. This means that the essential components are available for replacement in a coordinated set.

Kit components

• Cast aluminum piston
• Piston rings
• Piston pin
• safety clips
• Top end gasket kit
• Needle bearing for the piston pin in two-stroke applications

Technical data

• Piston Type: Cast
• Material: aluminum
• Piston compression: standard
• Diameter Ø: 66.37 mm
• Letter oversize: C
• Oversize: +0.02
• Bore diameter: 66.40 mm
• Number of piston rings: 2
• Displacement/engine version: 2T

Vehicle assignment

The kit is assigned to the Beta RR 250 2 T X-PRO from 2025. The selection should be based on the vehicle, the full year range and the listed piston dimensions.

Selection guide

The cast aluminum piston, the diameter of 66.37 mm, the bore diameter of 66.40 mm, the oversize letter C and the oversize dimension +0.02 are particularly relevant for the assignment. The version with 2 piston rings and the 2T marking complements the technical classification of the kit.