delorto carbs

i have a 15 mm delorto carb, and i'm used to bing and amals, and i'm woundering how you adjust it, idle and if there is a mixture screw

delorto carbs

I have a DellO'rto on a 1978 Vespa Bravo.

They may have changed some or you might have a totally different model.

The one I have is here:

and has no mixture adjustment. The idle screw is on the right side of the carb.

PS - That whole site is the work of our very own "zippy"!

Re: delorto carbs

Here is Dell Orto's site. You can click on English then "Customer Arae" then on Documentation.

Its' in Adobe PDF so you'll need the Adobe Reader. The reader is a free download at

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