Beta RR 390 4 T Enduro EFI Racing [2016] - Piston Kit

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

The PROX piston kit is designed for the Beta RR 390 4 T Enduro EFI Racing from 2016. The piston is intended for a 4T engine with fuel injection from 2016 and provides a suitable basis for replacing the piston in the upper engine area.

Piston for the 4T engine

The forged piston is made of aluminum and has standard compression. The piston diameter is 87,960 mm. With the compression ratio of 12.5:1 and the “Flat with hollow” version, the relevant technical features for selection are clearly summarized.

Technical data

• Brand: PROX
• Piston Type: Forged
• Material: aluminum
• Piston compression: standard
• Diameter Ø: 87,960 mm
• Letter oversize: A
• Oversize: STD
• Compression ratio: 12.5:1
• Stroke: 4T
• Specificity: Flat with hollow

Included in the kit

The kit contains the piston, piston rings, piston pin and circlips. This means that the components mentioned for replacing pistons are combined in one set.

Vehicle assignment

Suitable for the Beta RR 390 4 T Enduro EFI Racing, built in 2016. The assignment refers to this model and this entire year range.