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

WÖSSNER forged pistons for Yamaha WR 250 F

The WÖSSNER forged piston is designed as a piston for the Yamaha WR 250 F (CG 22), built in 2005. Its forged design and design as a forged double bridge characterize the construction of this engine component. Precise dimensional and compression information is available for selection.

Function and execution

As a piston for the upper engine area, the component forms the moving component in the cylinder. The aluminum version combines the specified material base with the forged piston design. The ring equipment includes 3 rings.

Technical data

• Material: aluminum
• Piston Type: Forged
• Specificity: Forged double bridge
• Diameter Ø: 76.96 mm
• Letter oversize: A
• Oversize: STD
• Bore diameter: 77.00 mm
• Compression ratio: 12.5:1
• Rings Quantity: 3

Vehicle assignment

The forged piston is assigned to the Yamaha WR 250 F (CG 22), built in 2005. The vehicle name and the complete year of manufacture serve as a selection aid for the assignment.

Factual note

For a suitable selection, the diameter Ø of 76.96 mm, the bore diameter of 77.00 mm, the letter Oversize A and the information Oversize STD are particularly important. The compression ratio is 12.5:1.