Honda CRF 450 R (PE 07) [2017-2020] - forged pistons

PROX forged pistons for Honda CRF 450 R (PE 07) 2017-2020

The PROX forged piston is intended for the Honda CRF 450 R (PE 07) from the entire 2017-2020 model year range. As a forged aluminum version, it supports a resilient construction for the 4-stroke engine. The specific aluminum alloy used is designed for reduced friction and high reliability.

Execution and function

The piston has a standard compression of 13.5:1 and a diameter of 95.97 mm. The raised top part with a hollow area and four valve pockets form the defined piston shape for this version. The piston is marked with the oversize letter B and an oversize of +0.01.

Technical data

• Brand: PROX
• Piston type: forged
• Material: aluminum
• Diameter: Ø 95.97 mm
• Piston compression: Standard, 13.5:1
• Oversize letter: B
• Oversize: +0.01
• Piston rings: set
• Displacement concept: 4T
• Piston shape: raised top with hollow area and 4 valve pockets

Vehicle assignment

Suitable for the Honda CRF 450 R (PE 07), built between 2017 and 2020. The assignment refers to this model type and this specified year of manufacture.

Selection note

When choosing, the diameter of 95.97 mm, the marking B and the oversize of +0.01 should be taken into account. The standard compression of 13.5:1 supports the clear classification of this piston design.