OEM Vespa PX 200 , RALLY 200 Cylinder Cowling 

The Vespa PX 200, RALLY 200 cowling is fitted to cool the engine whilst running. The Flywheel circulates air around the inside of the cowling causing the air to push around the Barrel. Fitting without this part may cause the engine to overheat!

Comparison Part No. 431054 - 120535 - 026052 (PIAGGIO)