
AIRSAL Cylinder Kit - Ø39.9 mm (Manufacturer reference: H010890399): designed for urban riders looking to refresh the top end of their 50 cc engine. This Airsal cylinder kit features a bore of 39.9 mm suitable for small urban displacements, ideal for maintenance and restoration after wear or mechanical intervention.
Designed for routine use in urban environments, this component fits into a reliable repair approach: restoring the combustion chamber, optimizing the tightening of parts, and recovering a clean displacement. Installation and adjustments should be carried out according to the manufacturer's recommendations or by a specialized workshop.
Before installation, check the condition of peripheral parts (piston, rings, spacers) and adhere to the recommended break-in and leak testing procedures. This kit is intended for riders concerned about the longevity of their engine and for anyone maintaining their 50 cc for daily urban use.




