Vespa POLINI Dellorto Carburettor Idle Jet Kit Si 20.15-17 20/20 24/24 26/26 (55-58-60-65-68/160) Tyres and Inner Tubes Pegasus (all models)

Pegasus (all models)

Vespa PX PE T5 Super Sprint Rally PINASCO 251cc Kit Touring Classic Racing Exhaust

cone 20/20mm

the block can be rotated 180 degrees

Black Primer

Vespa POLINI Dellorto Carburettor Idle Jet Kit Si 20.15-17 20/20 24/24 26/26 (55-58-60-65-68/160) Tyres and Inner Tubes Pegasus (all models)Vespa POLINI Dellorto Carburettor Idle Jet Kit Si 20. 15 17 20 20 24 24 26 26 (55 58 60 65 68 160) The side jet of the SI carburettors does not have the simple function of a conventional jet, i. e. the pure quantity regulation of the fuel quantity. With the introduction of the PX 1977 the SI carburettor type and its side jets were modified. The old carburettor types, such as those still used in Rally engines, had a separate air duct for the side jets.