Beta RR 390 4 T [2020-2024] - Piston Kit

PROX Piston Kit for Beta RR 390 4T (2020-2024)

The PROX piston kit is assigned to the Beta RR 390 4 T in the full year range from 2020 to 2024. The set combines pistons, piston rings, piston pins and circlips to assemble the piston components mentioned.

Version for the 4-stroke engine

The piston is made of aluminum and is forged. Piston compression is standard. With a diameter of 87,980 mm, the oversize letter C and an oversize of +0.02, the kit offers clearly defined technical features for selecting the appropriate piston set.

The specified compression ratio is 12.5:1. The version is marked “Stroke: 4T” and described for fuel injection from 2016.

Technical data

• Brand: PROX
• Material: aluminum
• Piston Type: Forged
• Piston compression: standard
• Diameter Ø: 87,980 mm
• Letter oversize: C
• Oversize: +0.02
• Compression ratio: 12.5:1
• Stroke: 4T

Vehicle assignment

The PROX piston kit is intended for the Beta RR 390 4 T built between 2020 and 2024. The allocation to fuel injection from 2016 supplements the technical selection aid for this version.

Scope of delivery

• Piston
• Piston rings
• Piston pin
• circlips