Ideal tuning kit for your Dell'Orto Carburetor. Stage6 has put together a fine carb tuning kit with 10 main jets and a nice storage case to keep them in. Each set comes with 10 jets that cover a range of sizes. Stage6 offers a number of kits to make sure you get the one that is most applicable to you and your needs.

These particular jets are the Dell'Orto 6mm thread pitch jets, part #1486.

The sizes in each range between:
Kit #1 - 70-92
Kit #2 - 88-110

This Part Fits On:
These fit Dell'Orto carbs from size 19-21mm.

These jets work the following Dell'Orto Carburetor Models (including but not limited to):

sha 12/10 (vespa)
13/13 (vespa upgrade)
14/12 (tomos)
15/15 (motobecane/peugeot/whatever)
16/16
PHBG 15-21mm

Note: If your carb doesn't use jet size #1486 as a main jet it probably uses it as the idle jet size.