Piaggio Vespa Carburettor Fuel/Air mixture Screw Spring (SI Type) T5
The air and mixture screw controls the fuel flow into the carburettor. The further you screw the item in, weaker the scooter will run, the more you screw it out, the richer the carburettor becomes.
- thread pitch 0.5
Comparison No. 1351300_37, 195769 (PIAGGIO)
