Dell'Orto SI20-24 carburetor idle jet

Idle jet for SI20-24 carburetor (9892) Dell'Orto.

Choose the size from the drop-down menu. 1 unit.

• From largest to smallest:
• 52/120 2.31
• 45/120 2.67
• 52/140 2.69
• 58/160 2.76
• 55/160 2.91
• 48/140 2.92
• 45/140 3.11
• 38/120 3.16
• 48/160 3.33

Each idle jet has two numbers, for example 50/120. If we divide the larger number by the smaller one, in this case the result is 2.4. According to this calculation, the lower it is, the larger the jet will be.

Note: not valid for Vespa PX 125 T5.

O.E. 9892