Yamaha YZ 250 F (CG 21) [2005] - WÖSSNER forged pistons

WÖSSNER forged pistons for Yamaha YZ 250 F (CG 21) from 2005

The WÖSSNER forged piston is designed as a piston made of aluminum and has a forged design. The version with a forged double bridge is tailored to the specified dimensions and specifications. The diameter, oversize and the corresponding letter are particularly relevant for the selection.

Technical features

• Material: aluminum
• Piston Type: Forged
• Diameter Ø: 76.98 mm
• Letter oversize: C
• Oversize: +0.02
• Bore diameter: 77.02mm
• Compression ratio: 13.5:1
• Rings Quantity: 3
• Specificity: Forged double bridge

Vehicle assignment

The piston is assigned to the Yamaha YZ 250 F (CG 21), built in 2005. The vehicle selection should be compared with this exact model and year information.

Selection based on measurements

The combination of 76.98 mm piston diameter, the oversize +0.02, the code letter C and the bore diameter of 77.02 mm supports the clear assignment within the specified version. The compression ratio of 13.5:1 and the design with 3 piston rings complement the technical characteristics of the component.