Yamaha YZ 250 F (CG 33) [2012-2013] - forged pistons

PROX forged pistons for Yamaha YZ 250 F (CG 33) 2012-2013

The PROX forged piston is designed for the Yamaha YZ 250 F (CG 33) from the entire 2012-2013 model year range. Its special alloy is designed to minimize friction and thus support reliable piston function.

Design and piston geometry

The piston is made of aluminum and is forged. The flat crown with raised top and 5 valve pockets form the specified piston shape. Piston compression is standard.

• Material: aluminum
• Piston Type: Forged
• Piston compression: standard
• Diameter Ø: 76.97 mm
• Letter oversize: C
• Oversize: +0.02
• Rings Quantity: Set
• Stroke: 4T
• Specificity: Flat crown with raised top / 5 valve pockets

Vehicle assignment

The forged piston is assigned to the Yamaha YZ 250 F (CG 33), built in 2012-2013. The vehicle name and the complete year of manufacture serve as a selection aid before ordering.

Technical selection

The diameter of 76.97 mm, the oversize letter C and the oversize of +0.02 are particularly relevant for the assignment. These values ​​should be compared with the technical requirements of the intended engine.