Vespa Dellorto SI 20.15-17 A-D/20.20-26.26E Carburettor Main Jet Set Pack (105-128) NumberPlate customers say in some cases

customers say in some cases the 558132 listed seperately may be more suitable

For Battery and None Battery Models

Scomadi TL125

Thickest Diameter 29mm

Vespa Dellorto SI 20.15-17 A-D/20.20-26.26E Carburettor Main Jet Set Pack (105-128) NumberPlate customers say in some casesVespa Dellorto SI 20. 15 17 A D 20. 20 26. 26E Carburettor Main Jet Set Pack (105 128) In the SI carburettor, the main jet is located in the jet block under the mixer tube and main air correction jet. It is responsible for making a certain amount of petrol available for premixing. With all tuning measures, no matter how small, it is necessary for the main jets to be raised, as they mainly impact on the middle and upper rev range. Their effect is