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 cone 20/20mm

cone 20/20mm

Not Suitable with front crashbars

Creates a dirt repellent finish which reduces dirt build up

Ultimate protection for today's high performance 2 stroke throughout a very wide temperature range

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 cone 20/20mmVespa 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.