Product Details
Description
Jet, Idle #45 – SHA/SHB
Replacement Part Details
Use this part when the original component is worn, damaged, missing, or no longer working correctly. Many scooter parts can look similar but use different sizes, plugs, brackets, thread patterns, or mounting styles, so careful comparison before purchase is recommended.
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Additional information
| Weight | 0.01 lbs |
|---|---|
| Dimensions | 1 × 0.2 × 0.2 in |
Idle jets come in only two sizes: 42 and 45. Generally, Vespa 50 and 90 use a 42, and Primavera/ET3 use a 45.
Jetting is something that takes trial and error. See our blog of jetting instructions for more info.





