banjo bolt/crush washer question

[Oss]

My caliper screw was fubar so Valker sent me a caliper that he rebuilt

Thanks Valker

It did have the bolt but not the washers

#22 on the parts fishe   I ordered 2 figuring that all the compression fittings I have ever seen you dont re use the washers

Has anyone ever re used them and what results did you have?

Did get to change the rotors (used new bolts) this afternoon with G-Man assistance  The old ones, except for the ridges seemed about the same thickness as the new ones at 80000 miles but I changed em anyways

Happy Valentines day to my Valkyrie  IN 7-10 days according to directline I should have the washers and finally get the Valk back on the road

[YoungPUP]

I've never reused a crush washer.  It was explained to me that you can only crush  a crush washer once.  So i always replace them.

[vanagon40]

I've reused them on cars and trucks and never had a problem.  Can't say that I've ever reused one on a motorcycle, but would not be afraid to in a pinch.  The good news is that you can see instantly if there is a leak.

I'm not saying it's good practice, only that I've never had a problem.

[hubcapsc]

They have little packs of assorted copper crush washers down at the auto parts store.

Among them are a couple that are the right size.

-Mike

[Hotrodwing]

Auto stores have the copper ones, I used them on my 1100 wing with so so sucess. I then found they sell S.S. ones. They worked great never leaked.  I think 10mm but don't quote me on that.

[hubcapsc]

Auto stores have the copper ones, I used them on my 1100 wing with so so sucess. I then found they sell S.S. ones. They worked great never leaked.  I think 10mm but don't quote me on that.

You mean, you've had copper ones leak?

I was timid at first when tightening the banjo bolt (heck, it is hollow after all), and
I had a leak.

I changed out the little metal line where the front brake lines split once, I liked to never
get that connection tight enough for it not to leak.

Brake fluid is sneaky stuff... all the connections have to be tight.

-Mike

[BonS]

You can heat the copper washers with a propane torch until they're ~1000 F to anneal the copper again. A glowing red cook top coil is 1200F so you don't want to get it this hot. They say you shouldn't reuse the copper crush washers because you work harden them the first time you use them and annealing them makes them reusable. Copper anneals around 700 - 1200 F.

[Mr.BubblesVRCCDS0008]

I've re-used them on plenty of things. Never had a problem. My lady has 160k on her and I've never changed the one on the oil drain plug.

[Madmike]

some of the engines I work on use copper washers on the fuel system lines (banjo fittings) we anneal them by heating with a propane torch and then quench in water.  seems to help

[Momz]

Back in the seventies I'd reuse Triumph/BSA copper head gaskets by annealing them. Back then finding a dealer or parts house was near impossible, or the costs were sky high.