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What can I replace rear master cylinder hose with?

  • Thread starter Thread starter Anonymous
  • Start date Start date
It feeds the master cylinder by gravity, no pressure. Making a metal line is pretty much out of the question since the hose is held in place by clamps. You could have short pieces of hose at the reservoir and the mc but then you end up with 4 clamps instead of two. Just two more places to develop a leak.
 
hehe, soo many opinions! I'll hunt down some of the Gates hose since it comes with racing brakes. Anybody know what size it is? My bike is far away right now. I can't even get it out of the house, our neighbour dug out his property right up to the basement door! I think it'll take a month before they fill it in.

Steve
 
Yeah I guess I misread his original post, I'm thinking he was talking about the front master cylinder and I couldn't figure out what line coming from it didn't have pressure. 8O
 
Sorry to resurrect a thread from 2004, but the title looked right after doing a search. (Some Charter Member responses are here by the way, kind of like a blast from the past for you old-timers).

I'm looking to replace the black brake fluid supply hose that goes from the rear master cylinder reservoir, arcing down 90 degrees from the fluid reservoir to the rear master cylinder. The part number is 51241-85X50 (replaces 69731-47000). I found one on a 1980 parts fiche, but not a 1982 850G bike like the one I have. In past experience, when my '82 fiche doesn't show it but an older one does, it sometimes means the part isn't available anymore.

So here's my question - does anybody know if 51241-85X50 is available for sure, and if not what kind of hose can I use for it instead? In fact, I'd actually like an alternative, because this 6-8 inch piece of hose costs $18.25 on PartShark.

Thanks for your help.
 
I ordered one for mine from the Bandit. They sent enough hose to to do 4 or 5 bikes. PM me and I'll send you some if it is listed as the same part for the GS1000E, with an exact measurement. I replaced mine because I was switching to dot 5 with the rebuild and SS lines and didn't want any possible contaminating surfaces.
 
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You can buy tubing and research which materials are compatible with what on McMaster-Carr's web site:

http://www.mcmaster.com

Most materials have links to a data sheet that grades their resistance to various fluids.

Not all gasoline-resistant tubing will also withstand brake fluid. And it's kinda important to get this right.
 
Thanks OldVet66, I appreciate your offer, but if they give you that much extra hose when you order OEM, that's what I want. For my bike, my son's bike, and a spare or two for friends. I'll order OEM. Thanks for the advice.
 
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