Yamaha YZ 250 F (CG 34) [2016] - forged pistons

PROX forged piston for Yamaha YZ 250 F (CG 34) [2016]

The PROX forged piston is designed for the Yamaha YZ 250 F (CG 34) built in 2016. As a forged aluminum version, it combines the specified piston geometry with a design designed to reduce friction and ensure reliable operation.

Function and execution

The specific aluminum alloy of the piston supports low friction in the engine and is designed for reliable function. The flat crown with raised top part and 4 valve pockets correspond to the specified version for the intended engine. The piston compression is standard and specified as 13.5/1.

Technical data

• Brand: PROX
• Piston Type: Forged
• Material: aluminum
• Diameter Ø: 76.96 mm
• Letter oversize: B
• Oversize: +0.01
• Piston compression: standard 13.5/1
• Piston rings: set
• Stroke: 4T
• Specificity: Flat crown with raised top / 4 valve pockets

Vehicle assignment

The forged piston fits the Yamaha YZ 250 F (CG 34), built in 2016. When selecting the spare part, the assignment must be compared with the model name, design and year of manufacture.