Yamaha WR 250 F (CG 26) [2007] - forged pistons

PROX forged pistons for the Yamaha WR 250 F

The PROX forged piston is for the Yamaha WR 250 F (CG 26), built in 2007. Its special aluminum alloy is designed for low friction and thus supports high reliability in engine operation.

Technical characteristics

• Material: aluminum
• Piston Type: Forged
• Piston compression: standard
• Diameter Ø (mm): 76.96
• Letter oversize: B
• Oversize: +0.01
• Rings Quantity: Set
• Stroke: 4T
• Specificity: hollow piston / 5 valve pockets

Vehicle assignment

The forged piston fits the Yamaha WR 250 F (CG 26), built in 2007. When making the selection, the vehicle type, year of manufacture and the specified dimensions and design features must be taken into account.

Execution at a glance

The forged piston design combines the aluminum material with a special alloy. The diameter of 76.96 mm, the oversize letter B and the oversize information +0.01 identify the specific version. The standard piston compression and the 4T piston design complement the technical features.

With a hollow piston and 5 valve pockets, this piston is clearly described according to its documented specification. The version is listed as a set with Rings Quantity.