bleeding brakes and replacing hoses

ive noticed that the pipe from my front brake resovoir to the master has got a wee split in it after a recent spill.

the question is , i know air shouldnt enter the system, but im assuming to replace this hose without causing a mess is gonna mean emtying the master resvoir first.

any ideas or suggestions?

since the hoses are over 3 years old, could also replace them with braided hoses. Do they come complete or do you have to buy the lines and then the banjo bolts and make them yourself?

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Living in sunny cyprus )

05 Candy Blue ZX6R - 96 Black RS250 -89 GSXR 250 - 85 NV750

I would replace all lines with braided hoses & stainless fittings. If one has split, the chances are the others will be in poor condition too.

Depending on what bike you have you will probably find it will be supplied as a kit. You could possibly re-use the banjo bolts, but best make sure you use new copper washers. If you are doing a full job though make sure that you get the stainless banjo bolts too.

I think Road & Track might be able to put a set together for you.

HTH

Nige.

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Owd Greaser




Tit#88AA Two fat ladies!!! Sidecar performances guaranteed!! DREG#57 DYM#660 (Hons) GOG#3 SG#1974
VDTK#007 Licensed to Kill VD-VU-C 12

In Faecorum Semper Solum Profundum Variat.
(Always in the s**t it is only the depth that varies!)
Sanity is in the eye of the beholder!

Just bought a set myslef.

The dealer had hoses of different lengths pre-made, and all the different end fitting available too. You just buy the appropriate length hose and fittings, and screw 'em together. Stainless is best, and don't get alloy fittings, 'cause they can split open, rendering brakes useless

What has the fact that the bike is 3 years old got to do with anything though?

You do not need to empty the master cylinder, just unbolt the hose, and re-bolt the new one on. Just make sure you don't squeeze the lever while the hose is disconnected, otherwise you'll get a nice squirt of corrosve brake fluid spewing ot over your bike. And also check your pads while you're at it, and obviously clean any fluid off the disc.

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The Man in Pink
T'was Mr. Dazzle, he IS the Mr. T of us lot. - Irn Bru Freak

Most suppliers will supply a made up hose kit for the bike in braided, around £25 - £30 for the set. Easy to fit, search the forum for brake bleeding tips 'cos it can take time to get all the air out.

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A positive attitude will not solve all your problems, but it will annoy enough people to make it worth the effort.


www.hoodjeans.co.uk
www.bartonmotors.co.uk/ Specialist Kawasaki breaker, Bath

Hey you guys, gettin the hang of it now!!1

PM BrianG, Im sure he'll do a nice quote for you.

KFz

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http://www.eddnet.com/kev

cheers guys

so infact the hoses are premade and then just a case of screwing on the relevant choice of banjo, cool

probably get a set from busters as they usually get stuff to me next day and ive set myself of getting it back on the rd in full carbon fibre trim etc intime for tt week.

did u pop up to road & track the other day to see the r1 on thursday nigel?

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Living in sunny cyprus )

05 Candy Blue ZX6R - 96 Black RS250 -89 GSXR 250 - 85 NV750

No, I didn't....

What did I miss?

Nige

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Owd Greaser




Tit#88AA Two fat ladies!!! Sidecar performances guaranteed!! DREG#57 DYM#660 (Hons) GOG#3 SG#1974
VDTK#007 Licensed to Kill VD-VU-C 12

In Faecorum Semper Solum Profundum Variat.
(Always in the s**t it is only the depth that varies!)
Sanity is in the eye of the beholder!

How much are they from busters? I got a set from my local dealer (admittedly only a single front disc) for £20 with shrink wrap and stainless fittings. That's not bad is it?

They even offered to fit 'em for free as well.

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The Man in Pink
T'was Mr. Dazzle, he IS the Mr. T of us lot. - Irn Bru Freak

As the pipe you need to replace is between the resevoir and the master cylinder you will definately have to drain the resevoir.

I would be surprised if you get the part that you need as part of a std brake line kit. Usually the brake line kits include all the dash 3 hoses between the master cylinder and the slave cylinder (caliper). The pipe from the resevoir to the master cylinder is usually a dash 8 or more and more like oil hose without a PTFE liner as it doesnt handle any pressure. Good news is that it should be the easiest to replace and if you do it carefully you wont have to bleed the brakes.

It's always a good idea to change the hoses on bikes more than 3 years old because the rubber goes funny and they expand more than they should during braking. Raplacing them with the goodridge style hoses makes a big difference and will last as long as the bike.

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Never ever, bloody anything, ever!