Racing Cylinder Kit MALOSSI 181 cc aluminium Ø 65mm pin 16mm with cylinder head TUNING RACE - for professionals For race use only. Not admitted in the area of the German StVZO!
Set Gaskets Thermal Unit Polini Cylinder + Piston Gasket Set Honda NSR 125 | eBay
Honda NSR Parmakit 45mm "70cc" Cylinder Kit – Dos Cycles
Diameter 54mm Pin 16mm Standard 125cc Motorcycle 1 cylinder Engine Piston and Rings Kit For Honda NSR125 NSR 125 Ring - AliExpress
Aluminum piston cylinder Ø65mm Honda NSR et CRM 125 Malossi - Motorcycle parts