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 component for the upper engine area, it combines a forged design with an aluminum piston. The specific aluminum alloy is designed to reduce friction and support reliable function.

Execution and function

The flat crown with raised top and 4 valve pockets forms the characteristic piston shape of this model. The design is intended for a 4T engine. Piston compression is specified as standard; the compression rating is 13.5/1.

Technical data

• Brand: PROX
• Piston Type: Forged
• Material: aluminum
• Diameter Ø: 76.95 mm
• Letter oversize: A
• Oversize: STD
• Rings Quantity: 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. The assignment refers to this fully specified vehicle type and year of manufacture.

Selection note

When making the selection, the diameter of 76.95 mm, the marking A, the STD version and the standard piston compression should be taken into account. Before ordering, these technical features should be compared with the existing engine and the intended spare part.