Jet (Main,#43) Dellorto, SHA, SHB, PHBG for Scooters & Mopeds

Main Jet Suited to Dellorto SHA, SHB and PHBG Carburetors on Scooters and Mopeds

This main jet is built for Dellorto SHA and SHB carburetors, and it also works with PHBG models. It fits Vespa small frames that use 16mm and 19mm carburetors. Fitting this jet helps balance the fuel-air mixture so the engine runs more smoothly. It is one of the scooter carburetors & jets that can help your ride run more efficiently.

What This Part Does

The main jet controls how much fuel mixes with the air entering your engine, so it plays a key role in carburetor performance. Symptoms such as hard starting, bogging, or a rough idle can suggest the jet needs replacing, particularly when the carburetor is dirty or worn.

Specifications

• Size: #43
• Fits: Dellorto SHA and SHB carburetors (16mm and 19mm) on Vespa small frames, and PHBG carburetors

Fitment

Compatible with:

• Vespa small frame scooters running a Dellorto SHA or SHB carburetor (16mm and 19mm carbs)
• Dellorto PHBG carburetors

How to choose: Select the main jet by the number stamped on your existing jet or the size your carburetor specifies. This is size #43, and the available range is 37-88.

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