POLINI Vespa Carburettor Main Jet Kit (SI 20.15-17 A-D/20.20-26.26E/G/H) PRIMAVERA-SPRINT 179570 - 1990924 - out

179570 - 1990924 - out of production (PIAGGIO)

602780M (PIAGGIO)

Leading edge angle: 29°

GRIMECA Front Brake

5 mm thickness: 4 mm number of screws: 5

POLINI Vespa Carburettor Main Jet Kit (SI 20.15-17 A-D/20.20-26.26E/G/H) PRIMAVERA-SPRINT 179570 - 1990924 - outPOLINI Vespa Carburettor Main Jet Kit (SI 20. 15 17 A D 20. 20 26. 26E G H) The main jet is found at the bottom of the jet stack on the SI Carburettor. The main jet is responsible for regulating the amount of fuel available for premixing. From changing the exhaust to changing the cylinder it is necessary changing the main jet to suit the scooter. The Polini Main jets are precisely made and can be used for a variety of different SI Carburettors. Comes