Main Jet #130, SI Carbs for Scooters & Mopeds
ITEM# TT-26284
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Description
Main Jet #130 for SI Carburetors in Scooters and Mopeds
The Main Jet #130 is a core part for large frame SI carburetors, found on a range of scooter and moped models. Its cone shape sits at the bottom of the main jet stack, where it controls how much fuel passes through. You can browse our carburetor and jet selection for other options. Because it directly affects engine output, this jet can make a noticeable difference. Sizes run from 82 to 165, so this one suits engines that need a richer fuel supply, such as performance-modified builds.
Understanding Jet Sizes
Jet sizes are numbered, and a higher number means more fuel can flow through. Most vintage Vespas use jets in the 85 to 116 range. If your scooter has been tuned for more power, it may call for a larger jet to supply the extra fuel it burns. Getting the jetting right is key to good running.
When to Consider Replacement
If the engine starts to sputter or loses pep when accelerating, the main jet may need replacing. Owners often change it during routine service or after major engine work. Checking it regularly helps keep your scooter running smoothly.
Specifications
- Size: 130
- Position: Bottom of main jet stack
- Fits: Main jet #130 for large frame SI carburetors
Fitment
How to choose: Check the number stamped on your current jet and pick the size you need. This one is size 130, and the main jet stack runs from 82 to 165.
Shop more: Scooter Carburetors & Jets · Scooter Parts
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