
The VERTEX cast piston ref. 21972C is an engine part designed for 2-stroke motorcycles, intended for an oversize installation C. Made of aluminum, it is suitable for roadster cylinders and is aimed at riders looking for a reliable replacement part for their 125 cm³ engine.
This piston is integrated into engine refurbishment work (piston/ring replacement, cylinder regrinding) and is suitable for restorations as well as regular maintenance. Check the piston-cylinder clearance and bore dimensions before installation to ensure a proper fit and good lubrication during operation.
Main compatibilities: HONDA NSR 125 R (JC22 2001 / JC20 1992) and HONDA CRM 125 R (1999). Always confirm the original reference and the dimensions of your cylinder before ordering.