Yamaha YZ 250 F (CG 14) [2003] - forged pistons

PROX forged pistons for Yamaha YZ 250 F built in 2003

The PROX forged piston is tailored to the Yamaha YZ 250 F (CG 14) built in 2003. Its forged aluminum design uses a special alloy that reduces friction and is therefore designed for reliable operation.

Function and execution

As a forged piston, this component combines the defined piston geometry with a standard compression intended for use. The design as a hollow piston with 5 valve pockets takes into account the specified engine configuration. The piston is specified for a 4T engine.

Technical data

• Brand: PROX
• Component: forged piston
• Material: aluminum
• Piston Type: Forged
• Piston compression: standard
• Diameter Ø: 76.95 mm
• Letter oversize: A
• Oversize: STD
• Piston ring quantity: set
• Stroke: 4T
• Specificity: hollow piston / 5 valve pockets

Vehicle assignment

The forged piston fits the Yamaha YZ 250 F (CG 14), built in 2003. When making the selection, the specified diameter of 76.95 mm, the oversize letter A and the Oversize STD marking should be taken into account.