Yamaha WR 450 F (CJ 13) [2008-2011] - forged pistons

VERTEX forged pistons for the Yamaha WR 450 F

The VERTEX forged piston is designed as a high-compression piston solution for the Yamaha WR 450 F (CJ 13) from the 2008-2011 model year range. The forged aluminum design is suitable for the 4T engine and combines the specified piston dimensions with a clearly defined oversize.

Function and execution

As a component in the upper engine area, the piston works together with the cylinder and piston rings in the 4-stroke engine. The high compression design is a specific feature of this piston and supports the intended coordination within the appropriate engine structure.

Technical data

• Brand: VERTEX
• Piston type: forged
• Material: aluminum
• Piston compression: highly compressed
• Diameter Ø: 94.95 mm
• Letter oversize: C
• Oversize: +0.02
• Bore diameter: 95.00 mm
• Rings Quantity: Set
• Displacement concept: 4T

Vehicle assignment

The forged piston is assigned to the Yamaha WR 450 F (CJ 13), built between 2008 and 2011. In addition to the vehicle and year of manufacture, the diameter of 94.95 mm, the oversize +0.02 and the C marking are decisive for the selection.

Selection note

Before ordering, please compare the specified dimensions and the oversize marking with the intended engine structure. The key technical data of 94.95 mm piston diameter and 95.00 mm bore diameter should be taken into account together.