Most of the new Amal Premier carburetters are supplied with a pilot jet 622/502-17 which replicates the proportions of the earlier pressed in pilot bush. A range of alternative premier jets are now available from 622/502-15 up to 622/502-23 to enable the enthusiast to fine tune the pilot circuit.

622/502-15 up to 622/502-23 – Premier Carburetter Pilot Jets

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Premier Pilot Jet