Yamaha YZ 250 (CG 23) [2006-2023] - WÖSSNER forged pistons

WÖSSNER forged pistons for Yamaha YZ 250

The WÖSSNER forged piston is assigned to the Yamaha YZ 250 (CG 23) in the 2006-2023 model year range. The version has an intake window and is designed for clear selection based on piston diameter, bore diameter and oversize designation.

Technical features

• Material: aluminum
• Piston Type: Forged
• Diameter Ø: 66.35 mm
• Bore diameter: 66.40 mm
• Letter oversize: A
• Oversize: STD
• Rings Quantity: 2
• Stroke: 2T
• Specificity: With suction window

Vehicle assignment

The piston is assigned to the Yamaha YZ 250 (CG 23), built between 2006 and 2023. The dimensions listed as well as the markings “A” and “STD” are decisive for the selection.

Selection guide

Before ordering, check whether the existing version matches the diameter Ø of 66.35 mm, the bore diameter of 66.40 mm and the marking “Letter Oversize A”. The information “Rings Quantity: 2” describes the intended number of rings. With the specification “With intake window” this variant can be specifically differentiated within the appropriate piston design.