Description
Main Jet #47 for Small Frame Vespas and Similar Models
This Main Jet #47 is specifically engineered for small frame Vespas fitted with 16mm and 19mm carburetors, including PHBG carburetors. It is a key part for tuning the fuel system of your scooter. As the main jet, it regulates the amount of fuel entering the engine during acceleration. Selecting the right jet size is important, as it directly impacts performance, making this part one of the key components in scooter carburetors & jets.
Functionality of the Main Jet
The main jet controls the fuel mixture that reaches the engine, working alongside the needle and idle jet. This component plays an important role in maintaining engine efficiency. When tuning your scooter, adjustments to the main jet can lead to noticeable changes in performance, often requiring testing to achieve the best results.
When to Consider Replacement
If you notice poor throttle response or decreased power, it might be time to inspect the main jet. Over time, jets can become clogged or worn, which can significantly affect performance. Regularly checking this part is recommended to ensure your scooter runs smoothly.
Specifications
- Size: 47
- Position: Main Jet
- Fits: 16mm and 19mm carburetors, PHBG carburetors
Fitment
This main jet is compatible with small frame Vespa models. It is specifically tailored for the following:
- Small Frame Vespas
Not sure it fits? Contact us with your scooter's make, model and year and we'll confirm the fit before you order.
Shop more: Scooter Carburetors & Jets · Scooter Parts
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