Main Jet Kit 10 Pc - Dell'Orto / SI Carburetors for Scooters & Mopeds

Main Jet Kit for Dell'Orto SI Carburetors in Vintage Scooters

This 10-piece main jet kit is designed for tuning Dell'Orto SI carburetors, commonly found in vintage scooters such as Vespa and Genuine Stella models. It provides a range of jet sizes to support various tuning requirements. This kit is one of the key components when adjusting for different modifications or changes in altitude and climate. It is one of the important scooter carburetors & jets for achieving the best performance from your engine.

Product Details

The kit contains ten brass conical main jets, each featuring a calibrated orifice and a hexagonal body for straightforward use. These jets allow for precise fuel flow adjustments to improve engine functionality. They are neatly organized in a transparent plastic storage case with foam lining, which keeps the jets sorted and readily accessible.

Usage and Application

This main jet kit is specifically intended for SI-type carburetors, including both Dell'Orto SI and SI models. Riders often replace jets when tuning their scooters after modifications or seasonal changes to maintain effective performance. Each jet size is tailored for specific tuning scenarios, allowing for a customized setup.

Specifications

• Carburetor Type: SI (Dell'Orto SI / SI)
• Quantity: 10 jets
• Jet Sizes Included: 96, 98, 100, 105, 118, 120, 122, 125, 130, 135
• Material: Brass

Fitment

This kit is compatible with several vintage Vespa models and the Genuine Stella 150 2T. Below are the specific models:

• Vespa VSX P/PX 200 E
• Vespa VLX P/PX 150
• Vespa VNX P/PX 125
• Vespa VNL GT/GTR
• Vespa VLB Sprint
• Vespa VBC 150 Super
• Vespa VSD Rally 180
• Vespa VSE Rally 200
• Vespa VNC 125 Super
• Vespa VSC SS 180
• Vespa VBB
• Vespa VNB
• Vespa VSB GS 160
• Vespa VLA GL150

Not sure it fits? Contact us with your scooter's make, model and year and we'll confirm the fit before you order.

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