Beta RR 390 4 T Enduro Racing [2019] - Piston Kit

PROX piston kit for the Beta RR 390 4 T Enduro Racing

The PROX piston kit is tailored to the Beta RR 390 4 T Enduro Racing from 2019. The forged aluminum piston features standard compression and is intended for fuel-injected versions starting in 2016. The kit therefore offers a clearly defined selection for the specified vehicle and engine variant.

Technical features

• 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
• Specificity: Flat with hollow

Suitable vehicle

The piston kit is intended for the Beta RR 390 4 T Enduro Racing, built in 2019. The vehicle assignment refers to this model and this complete year range.

Scope of delivery

The kit contains the piston, piston rings, piston pin and circlips. The compilation therefore covers the piston components listed in the set.

The piston diameter of 87,980 mm, the letter C and the specified oversize of +0.02 help with the selection in order to classify the version based on the technical engine data. The compression ratio of 12.5:1 and the “Flat with hollow” specification complement the relevant characteristics of this PROX piston kit.