ProX Piston Kit 53.94 mm for Honda CR125R (01.1222.A)

The PROX 01.1222.A Piston Kit is designed as an OEM replacement for Honda CR125R applications, delivering dependable fit, performance, and durability for engine rebuilding and maintenance. Manufactured in Japan, this piston kit is produced to meet or exceed OEM specifications and is suited for riders, technicians, and powersports professionals seeking a reliable replacement component.
The piston is cast from a high-silicon-content aluminum alloy to provide strength, durability, and consistent performance under demanding engine conditions. Each component is CNC-machined to extremely close tolerances, supporting accurate fitment and proper piston movement within the cylinder. The 53.94 mm piston size is engineered for compatible Honda CR125R applications and should be verified against the motorcycle’s year, cylinder specifications, and service requirements before installation.
The kit includes the piston, ring kit, wrist pin, and circlips needed for a complete piston replacement. Using a matched set helps simplify engine assembly and supports reliable operation when installed according to the manufacturer’s service procedures. The PROX brand is recognized for precision-engineered powersports engine components, making this piston kit a practical choice for restoring compression and maintaining dependable two-stroke engine performance.

Features:

• Brand: PROX

• Part Number: 01.1222.A

• Application: Honda CR125R

• Piston Size: 53.94 mm

• Manufacturing Origin: Japan

• Construction: Cast high-silicon-content aluminum alloy

• Machining: CNC-machined to extremely close tolerances

• Kit Contents: Piston, ring kit, wrist pin, and circlips

• Fitment: Designed as an OEM replacement

Ships from Parts Unlimited.