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Carb pipework question

Posted: Sun Sep 22, 2024 2:07 pm
by colonel mustard
Finishing off the Innocenti but unsure what items 1&2 do / are for?
Item 1 - breather from the tappet chest?
Item 2 - not a clue

Any help appreciated
Thanks

Re: Carb pipework question

Posted: Sun Sep 22, 2024 3:12 pm
by whistler
Purple is vacuum advance pipe that goes to the distributor on most engines.
Yellow is part of the engine breathing system. Most just blank it off with a short piece of hose and a bolt clamped in the end.
Blue....don't know.

Re: Carb pipework question

Posted: Sun Sep 22, 2024 6:02 pm
by AndyPen
Is blue an alternative vacuum advance??

Re: Carb pipework question

Posted: Sun Sep 22, 2024 6:56 pm
by colonel mustard
So, would the blue and yellow be run into a Y piece and into the tappet chest breather?

Re: Carb pipework question

Posted: Sun Sep 22, 2024 8:49 pm
by imack
The blue line appears to be pointing at the end of the throttle shaft. Nothing connects to that.

Re: Carb pipework question

Posted: Mon Sep 23, 2024 7:15 am
by colonel mustard
Thanks All,
Probably best that I put my glasses on!
Thanks again all sorted now.