Honda CRF 250 RWE [2025-2027] - forged pistons

PROX forged pistons for Honda CRF 250 RWE 2025-2027

The PROX forged piston is designed for the Honda CRF 250 RWE from the entire 2025-2027 model year range. The design combines a forged piston type with an aluminum piston and standard piston compression.

Design and piston shape

The piston shape features a flat crown with a raised top and 4 valve pockets. This means that the essential features of the combustion chamber and valve pocket design are clearly defined. The piston is designed for a 4T engine.

Technical data

• Brand: PROX
• Component: forged piston
• Material: aluminum
• Piston Type: Forged
• Piston compression: standard
• Diameter Ø: 78.98 mm
• Letter oversize: B
• Oversize: +0.01
• Piston rings: set
• Version: 4T
• Piston shape: Flat crown with raised top / 4 valve pockets

Vehicle assignment

The forged piston is assigned to the Honda CRF 250 RWE, built between 2025 and 2027. The diameter of 78.98 mm, the marking B and the oversize +0.01 are particularly relevant for the selection.

Selection note

Please compare the technical characteristics of the existing piston and engine with the information on this PROX forged piston. This means that diameter, oversize and the version with standard piston compression can be specifically taken into account.