PRO X HIGH PERFORMANCE PISTON KITS  
YAMAHA YZ125 FROM 2005-2021
Kit Includes - Piston, Ring, wrist pin, 2x circlips.
Sizes - 53.95mm, 53.96mm, 53.97mm, 53.98mm.
PROX Yamaha YZ125 2-stroke cast High performance pistons are lighter than original manufacture piston.
Enhanced performance.
Tight tolerances and piston ring design reduce friction while maintaining durability.
They are the right choice for 2-stroke engines where weight is the key factor for performance.
ProX Pistons are industry and customer trusted, manufacturing durable parts for off road motorcycles.