Yamaha YZ 250 F (CG 18) [2004] - forged pistons

PROX forged pistons for Yamaha YZ 250 F (CG 18), built in 2004

The PROX forged piston is designed for the Yamaha YZ 250 F (CG 18) built in 2004. Its special aluminum alloy is designed to minimize friction and thereby support high reliability in engine operation.

Design and technical features

• Piston Type: Forged
• Material: aluminum
• Piston compression: standard
• Diameter Ø: 76.97 mm
• Letter oversize: C
• Oversize: +0.02
• Piston ring quantity: set
• Stroke: 4T
• Specificity: hollow piston / 5 valve pockets

Vehicle assignment

The forged piston is suitable for the Yamaha YZ 250 F (CG 18), built in 2004. The combination of vehicle model, year of manufacture, diameter Ø 76.97 mm, oversize letter C and oversize +0.02 supports the targeted selection for this motorcycle.

Selection note

Before ordering, please compare the technical characteristics of the existing piston with the data listed. The diameter, the letter C, the design as a hollow piston with 5 valve pockets and the standard piston compression are particularly relevant. The piston is offered as a forged aluminum version and has a piston ring set.