Yamaha YZ 250 (CG 20) [2005] - WÖSSNER forged pistons

WÖSSNER forged pistons for Yamaha YZ 250 (CG 20) [2005]

The WÖSSNER forged piston is intended for the Yamaha YZ 250 (CG 20), built in 2005. As a forged aluminum piston, it is designed for use in the upper engine range and offers a defined design for this engine.

Technical features

• Material: aluminum
• Piston Type: Forged
• Diameter Ø: 66.35 mm
• Letter oversize: A
• Oversize: STD
• Bore diameter: 66.40 mm
• Number of rings: 2
• Displacement version: 2T
• Specificity: With suction window

Vehicle assignment

The piston is assigned to the Yamaha YZ 250 (CG 20) from the entire 2005 model year range. The selection should be based on the model name, year of manufacture and the specified dimensional data.

Execution and selection aid

The combination of 66.35 mm piston diameter, 66.40 mm bore diameter, oversized letter A and the marking STD describes the specific design of this piston. The version with intake window and two rings is part of the technical specification. Before ordering, the vehicle data and the existing dimensions must be compared with this information.