
VERTEX Cast Piston – Manufacturer Ref: 22459C
Designed for the engine refurbishment of 250 KTM models from 1999, this VERTEX cast piston is aimed at riders who require a replacement part that adheres to manufacturer specifications. Machined from aluminum, it meets the oversize specification C and fits a bore of 67.50 mm with a piston diameter of Ø 67.460 mm.
Main Compatibility: KTM 250 SX / EXC / EGS (1999 – 250 cm³). This piston is intended for maintenance or restoration of the cylinder-piston group after reboring to size C. To ensure a durable installation, check the condition of the cylinder, the piston/ring clearance, and follow the manufacturer's break-in recommendations. Professional installation and inspection are recommended to maintain the reliability of the top end.



