ProX Piston Kit for Beta RR250 and Xtrainer 250, 66.34 mm (01.7313.A)

Restore dependable engine performance with the PROX 01.7313.A Piston Kit, designed as an OEM replacement for select Beta RR250 and Xtrainer 250 motorcycles. Manufactured in Japan, this piston kit is engineered for precise fitment and reliable operation in demanding off-road applications.
The piston is cast from a high-silicon-content aluminum alloy that meets or exceeds OEM specifications. This material supports strength, durability, and consistent performance under high engine temperatures and repeated operating loads. Each component is CNC-machined to extremely close tolerances to help promote accurate installation, smooth piston movement, and dependable cylinder sealing.
The PROX 01.7313.A kit includes the essential components for a complete piston replacement: one piston, a piston ring kit, a wrist pin, and circlips. Replacing these wear components together can help simplify engine service and support proper compatibility throughout the piston assembly. Verify motorcycle model and application details before installation to ensure correct fitment.

Features:

• Brand: PROX

• Part Number: 01.7313.A

• Application: OEM replacement for Beta RR250 and Xtrainer 250 models

• Manufacturing: Made in Japan

• Material: Cast high-silicon-content aluminum alloy

• Machining: CNC-machined to extremely close tolerances

• Piston Size: 66.34 mm

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

Ships from Parts Unlimited.