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Mike's CB550 Project
Bryanj:
I think so, somewhere i have a nos plenum bought years ago but gawd knows where
taysidedragon:
--- Quote from: Mike_Berkshire on November 01, 2024, 03:06:22 PM ---Yes, thanks. It is the portion that is inside the plenum I am trying to work out as 2 of the boots are concentric and 2 of them have an angled portion that sits in the plenum. I am assuming that the one in your picture (carb #1) is angled on the inside of the plenum, away from the choke lever and towards the paper element?
--- End quote ---
On the original Honda rubbers there is a small raised pip on the rubber which lines up with a raised pip on the plastic airbox. Pattern rubbers may not have the pips.
Mike_Berkshire:
Thanks for your replies chaps. I think I haven't been explaining myself correctly. I have bought a set of the rubber boots that connect the carb intake side to the plenum. In the set are 4 boots. They are not all the same. 2 of the boots are straight and 2 have a bend in them on the portion that is hidden inside the plenum. I have assumed that the ones with the bend in them are for carb 1 and 4 and the bend is angled towards the centre-line of the plenum where the air flows in from the paper filter. Below are 2 photos ( I hope!). One shows the straight boots fitted to the plenum for carb 2 and 3; the other photo shows the angled boot which I have assumed is for carb 1 and 4. Am I making sense?
taysidedragon:
You're correct with the rubber arrangement. When the angled rubber is fitted to 1 or 4 the angle should line it up with the openings in the plastic airbox.
Mike_Berkshire:
Excellent; thanks Gareth!
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