Wiseco Piston Kit with Gaskets, 54.00 mm for Yamaha YZ125 (PK1344)

Restore top-end performance with the Wiseco PK1344 Piston Kit with Gaskets, designed for Yamaha YZ125 applications requiring a 54.00 mm piston. This complete engine kit includes the core components needed for a piston replacement, helping simplify top-end service and supporting dependable performance for motocross and off-road riding.

Included components consist of a Wiseco piston, piston rings, wrist pin, circlips, and a top-end gasket kit for one complete engine. The matched components are designed to work together for proper installation and reliable operation when assembled according to the motorcycle manufacturer’s service procedures. The included gasket kit helps provide the sealing materials needed during top-end reassembly.

For correct fitment and performance, Wiseco pistons must be used with Wiseco rings. Wiseco ring types are not interchangeable, so verify the required ring specification before installation; CD rings, for example, cannot be substituted for LC rings. Cylinder sleeves are not included and must be purchased separately if required for the engine rebuild. Confirm vehicle application, piston specification, and ring type before ordering.

Features:

• Complete top-end kit: Includes piston, rings, wrist pin, circlips, and top-end gasket kit for one complete engine

• Application: Designed for Yamaha YZ125 motorcycles

• Piston size: 54.00 mm piston specification

• Matched components: Wiseco pistons must be fitted with Wiseco rings

• Ring compatibility: Wiseco ring types are not interchangeable, including CD and LC styles

• Cylinder sleeve: Must be purchased separately

Ships from Parts Unlimited.