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

PROX forged pistons for Yamaha YZ 450 F (CJ 15), 2010-2013

The PROX forged piston is a forged aluminum version for the Yamaha YZ 450 F (CJ 15) built between 2010 and 2013. Its technical characteristics support a targeted selection according to engine variant, piston size and design.

Design and technical features

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

Matching vehicle assignment

The forged piston is intended for the Yamaha YZ 450 F (CJ 15) in the entire 2010-2013 model year range. The specification of 96.96 mm, the oversize letter B and oversize +0.01 makes it easier to compare with the relevant engine dimensions.

Selection note

When selecting, the standard compression, the diameter Ø 96.96 mm and the version with a flat crown and 4 valve pockets should be taken into account. The 4T specification assigns the piston to a four-stroke engine concept.