SOHC.co.uk Forums > CB350/400

CB400 brake lines.

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Chris400F:
That answers that one then!
Hopefully someone with a bike in pieces or with spare hoses lying around can provide the lengths.
In situ the top hose in particular is very difficult to measure due to lack of access.

Chris400F:
I'm planning to replace the pipes on my 400. The supplier contacted me after I ordered to check that I wanted standard parts as apparently they have had a number of customers who have changed the bars or done away with the metal pipe from the caliper so they check before sending (what a logical thing to do). Their standard specification is as follows:

Top hose 280mm banjo both ends.
Lower hose 370mm with a banjo at the splitter and a female fitting to screw onto the metal pipe.

Is this what you have? I can measure the ones that come off when they come off but no promises when and I hope they are no different to the lengths above anyway.

royhall:
Perfect that Chris. Thanks.

Chris400F:
Hopefully you are all sorted now. As I have just learned (again!) it's not just about the hose lengths.
Angle of banjos is also important, as I found in the past when fitting flat bars to a CB-1 I used to have.
My original top hose had a 30 degree banjo at the top and a straight one at the bottom.
Replacement top hose had a much narrower angle (maybe 10 degrees) at the top and straight at the bottom.
If I had been doing a straight swap of the hoses I would probably have realised but with a delay between removal
and refitting and the small angle on what should have been the top banjo I didn't.
A certain law says that if there is a right way and a wrong way then the wrong way often comes out on top.
Replacement hose seems to fit OK with the smaller angle at the top. Just something else to be aware of.

royhall:
Cheers Chris.
I ended up refunded on the other lines as they said they needed to see the bike. Bit far to take it from Blackpool to Sussex for a brake line measure.

I have had a lot of info about this now. It appears to depend on the bike being USA or UK spec. The UK spec top hose is 280mm with a 20 degree banjo at the master cylinder and a straight banjo at the splitter. When you throw into the mix that it's a CB350F with 400/4 handlebars it gets a bit messy.

But am going with the UK spec 400/4 items as they appear to be the best solution. Am going to get them from the Racetec guys from your link, just not ready for them at the moment. Need the bike together before I can get a real measure.

Could get messy, will let you know.

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