Yamaha YZ 450 F (CJ 03) [2003] - WÖSSNER Pro Series forged pistons

WÖSSNER Pro Series forged pistons for Yamaha YZ 450 F (CJ 03)

The WÖSSNER Pro Series forged piston is designed for the Yamaha YZ 450 F (CJ 03), built in 2003. It therefore offers a clearly defined selection for repairing or building the right engine within this model and year of construction.

Design and technical features

• Piston Type: Forged
• Material: aluminum
• Piston compression: high compression
• Diameter Ø: 94.96 mm
• Bore diameter: 95.00 mm
• Compression ratio: 13.5:1
• Letter oversize: A
• Oversize: STD
• Rings Quantity: 2
• Stroke: 2T

Suitable for this vehicle

The vehicle assignment is Yamaha YZ 450 F (CJ 03), built in 2003. The dimensions and markings provided help with the selection: The piston is shown with a diameter of 94.96 mm, a bore diameter of 95.00 mm, the letter A as oversize and the information STD for oversize.

Technical selection

The compression ratio of 13.5:1 and the design as a high-compression, forged aluminum piston characterize the technical configuration of this component. The specification of 2 rings and “Stroke: 2T” supplements the product specification and makes it easier to compare it with the intended engine application.