Piston Yamaha YZF 250 / WRF 250 08-13 d=76.97mm Athena - letter B

Piston forged ø76.97mm (B) 13.5:1 Yamaha YZ 250 F / WR 250 F (08-13) Athena

The Athena pistons are produced with a special high-performance aluminium alloy, using a backward extrusion forging process to achieve the highest level of performance and reliability.
These pistons feature a special sintered molybdenum bisulphide coating screen-printed on the piston skirt. This increases smoothness, performance, and durability, while reducing friction and noise.

A top-quality item for the most demanding people!

Main features

• High smoothness and high performance.
• Reduction of friction and noise.
• Greater strength and durability.