Honda CRF 250 R (ME 12) [2018-2019] - forged pistons

PROX forged pistons for Honda CRF 250 R (ME 12) 2018-2019

The PROX forged piston is designed for the Honda CRF 250 R (ME 12) from 2018-2019. Its aluminum production and forged design combine a suitable spare parts concept with a design that is designed for reduced friction and high reliability.

Execution and function

The flat crown with raised top part and four valve pockets are tailored to the specified engine version. The piston has a standard compression of 13.9:1 and is specified as a 4T version.

Technical data

• Brand: PROX
• Piston type: forged
• Material: aluminum
• Diameter Ø: 78.98 mm
• Piston compression: standard
• Compression: 13.9:1
• Letter oversize: B
• Oversize: +0.01
• Design: flat crown with raised top and 4 valve pockets
• Engine characteristics: 4T

Vehicle assignment

The forged piston fits the Honda CRF 250 R (ME 12), built between 2018 and 2019.

Selection note

The piston diameter of 78.98 mm, the oversize value +0.01 and the code letter B are particularly important for the selection. This information should be compared with the data on the existing engine component status before ordering.