Jet, Air #160 - SI for Scooters & Mopeds
ITEM# TT-26294
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Description
Air Jet for Scooters and Mopeds
The air jet plays a key role in blending fuel with air inside scooter engines. It works with a variety of scooter and moped models, so it matters a great deal for overall performance. If you are working on your scooter carburetors & jets, this part deserves attention, since it controls how much air reaches the fuel atomizer. It comes in sizes 120, 160, and 185, letting riders adjust airflow to suit what their engine needs and improve how it runs.
How the Air Jet Works
A screwdriver slot is built into the air jet, making it quick to install or adjust. A internal passage carries air into the atomizer, where it mixes with fuel, which supports more efficient combustion. A higher size number allows more air through, and that change can noticeably affect how the engine performs on the road. Getting the jetting right usually results in smoother throttle response and stronger power delivery.
Signs It May Be Time to Replace It
You may need a new air jet as you fine-tune your scooter, or if acceleration and power delivery start to feel off. Trying different sizes can help you find the engine response you want. Many riders consult jetting guides to pick the best option for their particular setup and riding conditions.
Specifications
- Size: 160
- Position: Air jet
- Fits: Vespa vintage large-frame and P/PX scooters and Stella 150 2T with matching Dellorto or Spaco SI carburetor
Fitment
Fits:
- Stella 150 2T (matching SI carburetor and jet stack)
- Vespa vintage large-frame VNL GT/GTR, VLB Sprint, VSC SS 180, VNC 125 Super, VBA, VBB, VBC 150 Super, VSD Rally 180, VNB, VSB GS 160, VSE Rally 200, VLA GL150 (matching SI carburetor and jet stack)
- Vespa P/PX VSX P/PX 200 E, VLX P/PX 150, VNX P/PX 125 (matching SI carburetor and jet stack)
How to choose: Confirm that your carburetor is a Dellorto or Spaco SI, and take note of your current jet-stack setup, since the model name by itself does not determine jet calibration. Pair this #160 air jet with the main jet and atomizer as a single setup.
Shop more: Scooter Carburetors & Jets · Scooter Parts
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