Rear hard brake line substitute

cross over parts from other wings, hondas, or any other parts sources that can be used on our wings.

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Whiskerfish
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Rear hard brake line substitute

#1

Post by Whiskerfish »

Easy to find on Amazon etc etc.... Just search for "S312 brake line"
Alarmdoc wrote:Hi Steve

I purchased these from Benson Auto. Their part number is S312, steel brake line 3/16 x 12". This was an over the counter item. I had been looking to get one made but they had these already done. They may be a little long but it would not be hard to cut to the proper length and re flair the end. They were $2.56 Can. About 25 cents US.
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pidjones
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Re: Rear hard brake line substitute

#2

Post by pidjones »

Interesting. I would think the lines would have M10 X 1 metric fittings.
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Re: Rear hard brake line substitute

#3

Post by rcmatt007 »

pidjones wrote:Interesting. I would think the lines would have M10 X 1 metric fittings.
if they do, it would be a great resource
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Re: Rear hard brake line substitute

#4

Post by pidjones »

rcmatt007 wrote:
pidjones wrote:Interesting. I would think the lines would have M10 X 1 metric fittings.
if they do, it would be a great resource
I was commenting that the lines on the GL should be metric. And metric hard lines are available, I just don't think that the S312 is metric. I searched a few days ago for metric steel brake lines on Amazon and found some. Appear to be for VWs.
Last edited by pidjones on Sat Aug 08, 2020 7:00 am, edited 1 time in total.
"Love 'em all.... let God sort 'em out!"
Ex 2006 GL1800 - the Black Pearl SOLD! to make room for:
2021 Can-Am Spyder RT Limited Dark Chalk Metallic
1975 Red GL1000 project - ex Pistol Pete project
1972 Triumph T150V Trident rescue - finished and FOR SALE!
1976 Yamaha RD400c
1978 GL1000 with '75 engine - the Hunley
Ex 1978 GL1000
Ex 1979 GL1000
Ex '79 CB750F rat bike
Ex '86 SEi
Ex '77 GL1000
Ex '76 RD400
Ex '72 Penton 125 set up for flat track
Ex '73 RD250
Ex '68 TR6C - chopped
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Re: Rear hard brake line substitute

#5

Post by 5speed »

pidjones wrote:, I just don't think that the S312 is metric.
https://www.canadiantire.ca/en/automoti ... ables.html
if you check this page..they show a Japanese line that has similar fittings..
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Re: Rear hard brake line substitute

#6

Post by heDONist »

On my 1975 GL1000 the thread size on rear master cylinder brake line is M10-1.25
The line going into the caliper is the same size.
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Re: Rear hard brake line substitute

#7

Post by MikeNTexas »

I made a new hard line for my ‘76 by using 3/16” hard line and re-using the original flare nuts.
1975 GL1000 Restored (sold)
1983 GL1100 Custom (sold)
1976 GL1000 Project (finished and sold)
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