Main Jet #108 for SI Carbs for Scooters & Mopeds
ITEM# TT-25707
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Description
Main Jet #108 for Scooter and Moped Carburetors
The #108 Main Jet is a cone-shaped part made for scooter and moped carburetors. It controls how much fuel reaches the engine, which has a noticeable effect on how the engine runs. It belongs to the group of scooter carburetors & jets that can help improve engine efficiency. It works with a range of models and suits both stock and performance-modified engines.
Function and Importance
This main jet sits in the lower section of the jet assembly, giving fine control over fuel flow. The 108 refers to its size, and a higher number lets more fuel through. Riders often try different sizes to find what works best for the way they ride and the engine they have.
Installation Insights
Swapping the main jet is simple for anyone comfortable with scooter maintenance. It drops into the carburetor in the same spot as the jet it replaces. For best results during installation, riders should look over jetting guides before making the change.
Specifications
- Size: 108
- Position: Lower part of the jet mechanism
- Fits: SI carburetors for scooters and mopeds (size #108 main jet)
Fitment
How to choose: Compare the number stamped on your current jet with #108, or pick the size your engine calls for; sizes run from 82 to 165.
Shop more: Scooter Carburetors & Jets · Scooter Parts
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