SOHC.co.uk Forums > Project Board
New (to me!) '77 CB400F - US model
mattsz:
I'm ordering up some brake parts... any way to tell whether my current brake hoses are original? Should I look for any markings in particular - or lack thereof? End-to-end, the lower hose is 14", and the upper one is 13-1/2" ('77 US-spec with higher bars).
I'm inclined to re-use them. They look ok - not what I'd call new, but no cracks or splits or odd bulges anywhere...
hairygit:
Personally I would not use old hoses, you have no idea how old they are, they could be breaking up internally, and let's face it, replacements are relatively cheap, especially compared to wrecking your bike in the event of a sudden hose failure!
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mattsz:
--- Quote from: hairygit on March 01, 2019, 06:43:56 PM ---Personally I would not use old hoses, you have no idea how old they are, they could be breaking up internally, and let's face it, replacements are relatively cheap, especially compared to wrecking your bike in the event of a sudden hose failure!
--- End quote ---
Here's where I'm at right now: how many parts do I replace and repairs do I make just to get the bike to the point where I can see if it works? I want to figure out my baseline before I start dumping money into this project.
That said, however, I'm leaning toward the wisdom of your suggestion - safety should come first! If the brake hoses were to fail when I needed them, I daresay that damaging the bike wouldn't be my top concern...
Nurse Julie:
It can be a difficult decision knowing how far to go and how much money to spend on an old bike. Safety is paramount, looks and performance are at the bottom of the list. Do enough to get it starting, running and stopping. Anything else can be done later, if you decide its worth continuing with the project.
Bryanj:
If there are no leaks, bulges or cracks in the outer casings of the hoses, especially at the crimp ring on the fittings, the UK safety testers manual says they are good to use and if ok by those standards i would build with what you have and possibly change later.
By the same token i will not accept ANY pitting on the caliper piston and unless i had myself fitted a new seal recently would not reuse a seal.
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