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-   -   Can someone possibly help on this one... (/showthread.php?t=8608)

les996 01-Jul-2004 23:18

Can someone possibly help on this one...
 
Just fitted a set of 4pad brembos (eventually)
Went up to Earls at silverstone and had dual lines made up...
Trouble is, I think they are too long. I have fitted them, but not sure...

Can someone with dual lines (maybe rattler) measure the length of each line and let me know what angle banjos are up at the master - they have fitted 90 degree ones on mine...

Will take a pic and upload tomorrow to show in more detail...

Many thanks in advance
Les

NBs996 01-Jul-2004 23:23

Can't help you with any measurements les, but thought I might share an experience with you......

I fitted different lines to my blade a few years back, they were slightly too long but I thought it wouldn't matter. BUT... under heavy braking, one of the lines was bending more than the original did - result was a hole in the rad and a £450 hole in my cheque book!

Just make sure they don't interfere with anythink expensive where they might be routed different to the old ones.

neil748r 01-Jul-2004 23:25

Just a thought but worth checking - which way are you running the lines? It's quite possible that they've made you lines designed to run around the front of the fork legs rather than the more direct route a la OEM fitment.

For the 4 pad calipers, straight or 20 deg banjos are the norm (depending on which way the lines are routed - 20 deg if they go round the front). 90 deg at the M/C end is normal for a Brembo radial brake M/C, stock M/C would usually be one straight and one 20 deg banjo.

Hope that helps,

Neil.

[Edited on 1-7-2004 by neil748r]

les996 01-Jul-2004 23:28

Mine is a stock M/C - will put a pic (or 2) on here in the morning.

Maybe I have just routed them the wrong way - DOHHH

Regards
Les

Rattler 01-Jul-2004 23:30

Les - I hope you're well mate.....

....I've just taken a quick approx. measure - both lines are about the same length - approx 2ft long. (61cms or so)...

There aren't any banjos that are 90 degrees - at the m'cyl end, one is approx 45 degrees and the other less than this - around 30 degrees I reckon.

Hope this helps.

Tim

les996 01-Jul-2004 23:37

That was quick rattler...

Do you have that bike in the house with you :D

I think mine are probably nearer 70cm, will check in the morning...mine isn't in the house.

Les :)

Rattler 01-Jul-2004 23:40

I don't trust leaving her in the garage - that's where the cars go anyway!!!!

Did they make the lines up especially for your bike or are these just standard (fit-all) ones?

Tim:frog:

les996 01-Jul-2004 23:52

They made them up specially - They said no problem doing them while I waited...

Les

les996 02-Jul-2004 10:22

Herra are a couple of pics...

http://www.broadacres.plus.com/lines...2093_rt800.jpg

and

http://www.broadacres.plus.com/lines...2095_rt800.jpg

See what I mean about long lines...
(hope this works)

Harv748 02-Jul-2004 10:30

Uhm....deffo not right!!!

From the m/c they should just drop down and around the fork.

'how fast were you going son?'
'Dunno officer...my brake lines were in the way!'

[Edited on 2-7-2004 by Harv748]

everton 02-Jul-2004 10:33

Quote:

Originally posted by weeksy
hmmmmm not what i've seen done before. Not sure on the actual consequences...

However if a bike shop had fitted lines like that to my bike they'd have had the keys back and a slap in the face to follow.

:lol::lol::lol::lol::lol::lol::lol:

Weeksy..........don't you mean a scouse kiss ... :borg:

fil2 02-Jul-2004 10:36

bloody ell.....looks like u got brake lines from a Semi.??

Jools 02-Jul-2004 13:20

Now I could be wrong here, so don't slap me right...But Les, I think you've got the wrong brake lines here and because of that, you've actually fitted them upside down.

Here's my thinking. My bike has ordinary Brembo Goldlines, at the caliper end the thread to take the bleed nipple is vertical and comes out of the top of the caliper. Therefore, you need a 90 degree banjo at the caliper end to direct the lines straight up the forks. At the master cylinder end, one of the banjo's is straight, the other is a 30 degree one, so that it just splays out to clear the straight one.

From memory (and this is where I think I could be wrong), the 4 pad Brembos bleed nipple exits from the side of the caliper, so that you need a straight banjo at the caliper end to point the lines in the right direction. So what you need under those circumstances is one brake line with a straight banjo on each end, and one with a straight banjo and one 30 degree one (so that you get the straight/30degree arrangement at the master cylinder).

So, I reckon they've made up lines for the standard Goldlines, so that when you come to fit them to 4 pads, you would think it's pretty obvious that you don't fit the 90 degree banjos on the calipers otherwise they'd be sticking out like dumbos ears, so you would naturally fit the straight ones to the calipers, leaving you with a distinctly wrong fitment at the master cylinder.

les996 02-Jul-2004 13:37

Hi Jools

Had these made up by Earls especially for a 996 with 4pads.
The bottoms are correct 20 degree banjo's, unfortunately, even though I thought straight up at the top would be ideal - they said 90's are better for taking up slight slack :lol:

Have now spoken to them and they are making up some new ones with 20's at bottom and straight/20 at top. Line 1 will be 580mm and line 620mm (for possible future reference for anyone else).

I will let you know if they fit...

Les:)

Clippy 02-Jul-2004 13:39

Sounds About Right...
 
...that Jools!

I've got a twin line set up on mine with standard Goldlines, but the lines are designed for 4-pads.

This means that the caliper end of the line has a straight banjo on it and the lines run back at the radiator fairly sharply when fitted to standard calipers.

I do, however, have a set of 4-Pads in a box in the garage that I need to get around to fitting (once I've finished refitting the kitchen) so all should be well at that point.

I'll take a couple of photos and post them up tonight/tomorrow for you to use for reference, and these should show what Jools has described.

Giles

[Edited on 3-7-2004 by Clippy]

mike916 02-Jul-2004 13:39

I agree with Jools on this one. The lines at the top should go vertically down to the right of the rev counter not across. The straight and 30 deg banjos definately should be fitted at the top out of the master cylinder. In fact one of my lines just rubs on the foam round the rev counter when on hard left lock.

Not certain what the bottom fittings should be for four pad Brembos as my 916 has the old type two pad goldlines. I use a alloy line spacer under the front of the nose fairing to stop the lines floating about to much at the bottom

I would certainly take the lines back and get them changed

Rattler 02-Jul-2004 15:37

Here's a pic of the bike and you can see the lines run straight down from the m/cyl.



These were made specifically for the bike, they couldn't really be any shorter and still fit though I reckon.

Tim:rolleye:

les996 02-Jul-2004 15:39

Rough measurement of the long one is a whoppinggg....850mm (600 could have done it)

At least they are making up new ones and getting to me asap.

Les :P

les996 03-Jul-2004 09:11

fitted the 580 and 620 lines to my p4's last night....
perfect fit :D

Will go and test them out this morning to see the difference over the 2 pad version...:roll:

Les

ps will be heading past bedford area about 9.45ish
if anyone is about...


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