Airsal Ø40.3mm Cylinder-piston kitRef : AIL00098A / 1014470

The AIRSAL cylinder kit Ø40.3 mm (Manufacturer's ref: 011332403) is a complete set for 2-stroke engines designed to restore or replace the top-end of a 49cc vehicle. Made from aluminium and treated with Scanimet, this kit offers improved finish and wear resistance, suitable for urban and roadster use.

• Aluminium cylinder Ø 40.3 mm
• Cylinder head
• Tech piston (1 piston)
• Rings
• Circlips

This kit allows for the reconstruction of the original thermal group with compatible parts for many 50 cm3 mopeds. The supplied components facilitate the complete reassembly of the top-end without the need for additional parts, provided that compatibility with the casing and reed valve is checked.

Main features:
Diameter: Ø 40.3 mm
Material: aluminium
Application: 2-stroke engines 49/50cc

Examples of compatible models (non-exhaustive):

• VENT DERAPAGE 50 RR (2025 - 50 cm3)
• SHERCO SM 50 RS SILVER (2024 - 50 cm3)
• RIEJU MRT 50 SM TROPHY (2024 - 50 cm3)

Practical advice: entrust the assembly to a qualified technician or mechanic. Check clearances, timing, and the presence of appropriate seals and fasteners before commissioning.