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 as a replacement piston for the Honda CRF 250 R (ME 12) from 2018-2019. The forged version is made of aluminum and uses a specific aluminum alloy. This reduces friction and supports reliable piston function.

Design and piston crown

The piston has a flat crown with a raised top and 4 valve pockets. Its standard compression is 13.9:1. The design is intended for a 4T engine.

Technical data

• Brand: PROX
• Piston Type: Forged
• Material: aluminum
• Diameter Ø: 78.97 mm
• Piston compression: standard
• Standard compression ratio: 13.9:1
• Letter oversize: A
• Oversize: STD
• Piston rings: set
• Stroke: 4T
• Quality: OEM equivalent

Vehicle assignment

Suitable for the Honda CRF 250 R (ME 12), built between 2018 and 2019. The vehicle assignment refers to this model type and the complete year range mentioned.

Selection note

Before ordering, check the specified piston diameter of 78.97 mm and the “A” and “STD” markings based on your engine requirements. In this way, the execution can be specifically aligned with the intended replacement requirements.