Main Jet #41 for SHA/SHB Carbs for Scooters & Mopeds
ITEM# TT-26351
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Description
#41 Main Jet for Small Frame Vespa Scooters and Matching Carbs
This main jet is built for small frame Vespa scooters running 16mm and 19mm SH carburetors, and it also works with PHBG carb models. It belongs to our mini bike & pocket bike parts range, and it has a noticeable effect on how the engine performs. Picking the correct main jet size goes a long way toward keeping the engine running smoothly. This jet is a #41, which sets how much fuel moves through the carburetor into the engine.
How Main Jets Work
The main jet is one of the central parts of the carburetor's fuel supply. It meters how much fuel gets blended with the air flowing into the engine. Small frame Vespa scooters generally use two jets: the main jet and an idle jet. Dialing in the right size usually takes some adjusting and trial runs before the scooter performs its best.
Signs It May Be Time to Replace the Main Jet
You may want to swap the main jet if the scooter starts behaving differently or if you have altered the setup in some way. Common signs include slow pickup and an engine that doesn't respond consistently. Moving to another jet size can help you reach the performance you're after and improve how the scooter runs overall.
Specifications
- Size: #41
- Position: Main jet
- Fits: Vespa small frame scooters with 16mm and 19mm SH carbs, and PHBG carbs
Compatibility
Compatible with:
- Vespa small frame scooters (16mm SH carb)
- Vespa small frame scooters (19mm SH carb)
- PHBG carbs
How to choose: Finding the right main jet size takes trial and error. Available sizes run from 37 to 88. This one is size #41.
Browse related parts: Mini Bike & Pocket Bike Parts · Scooter Carburetors & Jets · Scooter Chains & Sprockets · Scooter Parts
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