SOHC.co.uk Forums > CB350/400
Carbs off bike - Total disassembly or not?
Multiman:
I think Laverdaroo Dave us referring to the plastic fuel supply tubes when he talks about orings. There is also another thinner tube between each pair of carbs and it’s 2.5 mm id according to the parts book.
Mikep328:
Yes, that's the tube! Is it available as a part? I haven't yet decided whether I'm going to separate the carbs but those little pieces of tubing would be a critical item!
Nurse Julie:
--- Quote from: Mikep328 on August 07, 2023, 01:45:56 PM ---Yes, that's the tube! Is it available as a part? I haven't yet decided whether I'm going to separate the carbs but those little pieces of tubing would be a critical item!
--- End quote ---
No, that part isn't available, I just used a thin piece of tube as a substitute.
Deano400:
Mike, the small tubes you are asking about are vent tubes. If you look at the top of carbs 2 & 3 you'll see they each have a vent tube. The small tubes allow carbs 1 & 4 to vent through 2 & 3 and out of the two top vents.
Deano400:
When I say top of the carbs it's just to distinguish between the vent and overflow tubes.
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