Today I have received 4.5 aux venturi for Weber. Weber number is 71107 or 71107450, because they are 4.5 in catalog they where marked as DCNF40, not DCNF44. They are different finish than original, it is very rough and without 4.5 marking, so I have polished one venturi, this is a comparison photos....

Thank You. I want to put Weber back because I want bike to be in original condition as possible with its unique automotive carburateur. To begin with when I got the bike Dellorto PHM40 NS ans PHM40 ND has issues, they where flooding the engine, leaking. I have looked in to these carbs and noticed th...

To: Mc tool
And what You have done to resolve this issue? Fitted other manifolds which where straight or adjusted this issue it with rubber boots?

So, to answer my question, these manifolds are right for Weber carb?

I have updated links, so now they should work. I have tried to swap manifolds and result is same, so both manifolds are identical.

Hello to everyone, I am a new owner of Ducati 900 Supersport 1989. This is my first Ducati. I have read this forum a lot before buying this motorcycle, but now I can't find answers to my questions, that's why I have created new post. This is my motorcycle: http://i.imgur.com/h7KshdP.jpg It came with...