
CAST piston VERTEX, manufacturer reference 21889A. Designed for 125 cc engines in the Cross and Roadster universes, this piston meets the needs for restoration after reboring. Aluminum construction for controlled weight and good thermal performance.
This piston is intended for cylinders bored to oversize A: check the cylinder diameter and piston clearance before installation. Its design adheres to the specified dimensions and allows for suitable tolerances after machining. Before installation, check the condition of the rings, pin, and clips, and adhere to the lateral and longitudinal clearances recommended by the manufacturer.
Main compatibilities: HUSQVARNA WR 125 (1T00AA) 1990‑1991, CAGIVA VMX 125 (1991). Ideal for engine refurbishment operations on listed 125 cc machines. For safe installation, entrust the boring and tolerance checks to a qualified workshop or strictly follow the original specifications.