ProX Piston Kit for Yamaha YZ125 and YZ125X (01.2225.C)

The PROX 01.2225.C Piston Kit is designed as an OEM replacement for Yamaha YZ125 and YZ125X two-stroke motorcycles. Manufactured in Japan, this piston kit is engineered to deliver dependable fit, function, and durability for engine rebuilds and maintenance applications. It provides a practical replacement solution for riders, technicians, and powersports professionals seeking components built to OEM-level standards.
The piston is cast from a high-silicon-content aluminum alloy that meets or exceeds OEM specifications. This material supports reliable performance under demanding engine conditions while helping maintain the strength and durability expected from a high-quality replacement piston. Each component is CNC-machined to extremely close tolerances to promote accurate fitment and consistent operation within the engine assembly.
The PROX piston kit includes the piston, piston ring kit, wrist pin, and circlips required for installation. Supplied as a complete service package, it helps simplify the rebuilding process and reduces the need to source individual components separately. Verify application details and manufacturer service specifications before installation to ensure compatibility with your Yamaha motorcycle.

Features:

• Brand: PROX

• Part Number: 01.2225.C

• Application: Yamaha YZ125 and YZ125X

• Type: OEM replacement piston kit

• Manufacturing Origin: Made in Japan

• Material: Cast high-silicon-content aluminum alloy

• Machining: CNC-machined to extremely close tolerances

• Included Components: Piston, ring kit, wrist pin, and circlips

Ships from Parts Unlimited.