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

VERTEX forged pistons for the Yamaha YZ 450 F

The VERTEX forged piston is designed for the Yamaha YZ 450 F (CJ 03) built in 2003. As a component for the upper engine area, it combines the specified piston geometry with a high-compression design and is therefore suitable for the targeted selection of a suitable replacement piston within this vehicle classification.

Function and execution

The piston is made of aluminum and is forged. The version is highly compressed and intended for a 4T engine. A ring set is included in the specified specification for assembling the piston.

Technical data

• Brand: VERTEX
• Piston Type: Forged
• Material: aluminum
• Piston compression: high compression
• Diameter Ø: 94.93 mm
• Bore diameter: 95.00 mm
• Letter oversize: A
• Oversize: STD
• Rings Quantity: Set
• Stroke: 4T

Vehicle assignment

The forged piston fits the Yamaha YZ 450 F (CJ 03), built in 2003. The combination of vehicle model, year of manufacture, diameter Ø 94.93 mm, bore diameter 95.00 mm as well as the markings A and STD supports the selection of the intended piston version.

Factual note

Before ordering, please compare the technical characteristics and the vehicle name with the existing engine. The dimensions 94.93 mm and 95.00 mm as well as the markings “A” and “STD” are particularly relevant for the selection of this piston.