Bonehead brake line mistake

RCinNC

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Joined
Aug 30, 2014
Messages
2,865
Location
North Carolina
Well, this moved into the top spot for "dumbest thing I've done so far in 2020"...

I was putting the bike back together today after a bunch of maintenance, including removing the front end. After cleaning the throttle bodies I started it up, and a bit later smelled that unmistakable burning plastic smell and saw some smoke. Shut it down as fast as I could, looked around, and found out that I'd forgotten to secure the crossover front brake line to the front fender. It flopped onto the exhaust pipe and melted. I think I caught it before any real damage occurred; I cut away the melted protective sheath that surrounds the brake line, and the brake line looks fine. Is there are reason why I shouldn't continue using this brake line? The rubber sheath appears to be there mainly to protect the brake line from things like stone impacts, and I can fashion a patch for the sheath that I cut away out of some neoprene I have, but I figured I'd bounce this off some that are more knowledgeable than I about things like this.

Here's a couple photos of the actual brake line after I cut away the melted sheath:

Melted Sheath 1.JPGMelted Sheath 2.JPG
 
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ballisticexchris

Guest
It's up to you. Does not look bad at all. My last few street bikes I changed out all my lines to steel braided within the first few seasons. How old are the brake lines? They are long overdue to be changed out if they are original. Yamaha recommends replacement every 4 years. I cannot imagine going much longer than that without losing brake performance and safety.
 

Cycledude

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Joined
Jan 29, 2016
Messages
4,025
Location
Rib lake wi
It's up to you. Does not look bad at all. My last few street bikes I changed out all my lines to steel braided within the first few seasons. How old are the brake lines? They are long overdue to be changed out if they are original. Yamaha recommends replacement every 4 years. I cannot imagine going much longer than that without losing brake performance and safety.
well if Yamaha is recommending replacement every 4 years I believe you are about the only one doing that !
 
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ballisticexchris

Guest
well if Yamaha is recommending replacement every 4 years I believe you are about the only one doing that !
Keep in mind I'm talking about the OEM lines. Teflon steel braided lines are lifetime. I'm getting close to 4 years out of my OEM lines. Not riding so I'm not sure If I will replace them when required or not. I don't like the idea of running old OEM rubber brake lines. Spooky.
 
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