Yamaha YZ 450 F (CJ 15) [2010-2013] - forged pistons

PROX forged pistons for Yamaha YZ 450 F

The PROX forged piston is designed as a replacement part for the Yamaha YZ 450 F (CJ 15) from the entire 2010-2013 model year range. Its technical features are tailored to the specified engine variant and the precise assignment to the vehicle.

Technical execution

• Piston Type: Forged
• Material: aluminum
• Piston compression: standard
• Diameter Ø: 96.96 mm
• Letter oversize: B
• Oversize: +0.01
• Stroke: 4T
• Specificity: Flat crown / 4 valve pockets
• Rings Quantity: Set

The flat crown with 4 valve pockets characterizes the specific piston design. The diameter of 96.96 mm, the letter B and the oversize +0.01 are used for clear selection within the specified technical specification. The standard piston compression describes the intended design of this forged piston.

Vehicle assignment

The forged piston fits the Yamaha YZ 450 F (CJ 15), built between 2010 and 2013. Before ordering, please coordinate your selection with the existing motor and the dimensions mentioned.

Selection based on engine data

The piston diameter Ø 96.96 mm, the oversize letter B, oversize +0.01 and the version for 4T are particularly important for the assignment. This allows the product variant to be specifically selected based on the available engine data.