Description
Main Jet #130 for SI Carburetors in Scooters and Mopeds
The Main Jet #130 is a key component designed for large frame SI carburetors, commonly found in various scooter and moped models. This jet is cone-shaped and sits at the base of the main jet stack, allowing for precise fuel flow adjustments. It is one of the scooter carburetors & jets that can significantly affect engine performance. With sizes ranging from 82 to 165, this particular jet is suitable for performance-modded engines that require increased fuel delivery.
Understanding Jet Sizes
Jet sizes are measured numerically, with higher numbers indicating a larger fuel flow. Most vintage Vespas typically utilize jets within the range of 85 to 116. However, if your scooter has been modified for improved performance, you may need a larger jet to accommodate increased fuel consumption. Fine-tuning your jetting is important for achieving good engine performance.
When to Consider Replacement
Replacing the main jet may be necessary if you notice changes in engine performance, such as sputtering or decreased acceleration. This part is often swapped out during routine maintenance or after making significant modifications to the engine. Regular checks can help ensure your scooter runs smoothly.
Specifications
- Size: 130
- Position: Bottom of main jet stack
- Fits: Large frame SI carburetors
Fitment
This main jet is compatible with various scooters and mopeds featuring large frame SI carburetors. Below are examples of vehicles that may use this part:
- Vespa PX
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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