Yamaha WR 250 F (CG 22) [2005] - forged pistons

VERTEX forged piston for Yamaha WR 250 F (CG 22)

The VERTEX forged piston is designed for the Yamaha WR 250 F (CG 22), built in 2005. As a forged aluminum version with high compression, it is suitable for reworking the 4T engine.

Technical features

• Piston type: forged
• Material: aluminum
• Piston compression: high compression
• Diameter Ø: 76.94 mm
• Bore diameter: 77.00 mm
• Letter oversize: A
• Oversize: STD
• Version: 4T
• Piston rings: set

Suitable for

The forged piston is assigned to the Yamaha WR 250 F (CG 22) built in 2005. The vehicle assignment should be compared with the existing piston size and the technical data mentioned before ordering.

Design for engine revision

With a 76.94 mm piston diameter and 77.00 mm bore diameter, the piston offers clearly defined dimensions for selecting suitable engine components. The marking with the letter A and the information “STD” for the oversize version support the dimension-related assignment. The design as a piston set with three rings complements the technical specification of the VERTEX forged piston.