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General Category => General Discussion => Topic started by: Rolf Halvorsen on April 08, 2022, 08:52:29 AM

Title: What does delortho 36 PHF Bs and Ds mean?
Post by: Rolf Halvorsen on April 08, 2022, 08:52:29 AM

The letter Bs and Ds must mean something. s = is for sinisto = left side. But what does B and D mean?
They look to be almost identical. I know that B-type has been used for Ducati and that D-type has been used on Guzzi.

But I would like to know what is the differences.

Title: Re: What does delortho 36 PHF Bs and Ds mean?
Post by: nc43bsa on April 08, 2022, 09:20:51 AM

IIRC, it distinguishes the mounting method to the cylinder head.

Title: Re: What does delortho 36 PHF Bs and Ds mean?
Post by: Rolf Halvorsen on April 08, 2022, 11:17:42 AM

I am not sure. They both use the rubber/plastic tube.

Title: Re: What does delortho 36 PHF Bs and Ds mean?
Post by: 80CX100 on April 08, 2022, 03:41:03 PM

HHmmmm, not sure, just a wag,,, the word for "right" in French is "droit" I'm guessing Italian could be "droito"???

Maybe "B" stands for "Bi" either way,,, lol

Hopefully one of the learned wise men chimes in

                    :laugh:

Title: Re: What does delortho 36 PHF Bs and Ds mean?
Post by: guzzista on April 08, 2022, 05:33:16 PM

D =  Destro (right side). S= Sinistro ( left side) B is rubber mounting spigot type ( flexible fitting) as per the Dellorto AGuide 1.1

Title: Re: What does delortho 36 PHF Bs and Ds mean?
Post by: guzzisteve on April 08, 2022, 08:41:58 PM

Not only B & D there is M which is the clamp on mount and there's  G & P .

Title: Re: What does delortho 36 PHF Bs and Ds mean?
Post by: Canuck750 on April 08, 2022, 09:50:15 PM

On some Dellorto carbs there is a different jet thread diameter between the A and C types, the larger 6mm diameter jet size is used on C types I think. I found this out just recently on VHB carbs for a Moto Morini 3-1/2

Title: Re: What does delortho 36 PHF Bs and Ds mean?
Post by: guzzisteve on April 09, 2022, 08:07:57 AM

For VHB square slides there is A, B & C and to order parts I used manual & catalog #30.1
For PHF & PHM round slides I used Guide 1.1 for tuning, Catalog 11 and 15 for ordering parts
I got these from Herdan Corp in the 80's, 90's & 03. All with different info in them for what you want to order.

Title: Re: What does delortho 36 PHF Bs and Ds mean?
Post by: tetarabra on April 10, 2022, 07:08:07 AM

Informations in carburation section :

http://www.ducatimeccanica.com/