Late 180 Rear Brake System Bleed

Haggis, does your bike have reasets also?
TOG has the standard (L/H) long brake pedal, usually leaves the rear brake better than those with rearsets, what does yours have, the PO9 must still be worth fitting.
CLEM
 
Hi Clem, yes mine has rear sets, on the LH side with no crossover.

Yes, I would say give F09 a try. I really like them. I guess that with your long lever setup it would be even better with a nice progressive direct 'connected' feel.

I also put some good pads in, but it was so long ago I cant remember which ones, maybe EBC HH. For the back I tend to go for 'organic' pads for good feel, ones that work straight away (i.e. when they are cold) and give good progression as they heat up. As you know, some pads give little until they are hot, then give everything, I don't like that at the rear.

Hag

Sun shining brightly here - but SF in bits - forks out for a refurb.
 
Interesting, have long given up trying to get my rear brake to work effectively. Not much feel at all and best used to hold steady on an incline or hard stomp if really needed.
However riding the Eagle has forced a change of riding habit. Using the rear brake is essential in assisting the Grimeca front drum  :o
Might have to look again at improving the triple's rear brake...????...
 
Had the same issue with the rear brake not working very well on my 80 Jota. So instead of the f09 trick I swapped to an Alpino rear master cylinder and achieved a very good rear brake, nice feel and efficientcy. Rear set? s and crossover linkage.HTH😀👍
Tom
 
refer back to posts 3 and 7

I suggested that for rear brake bleeding aurto bleed nipples are a good thing, I have them in stock with 6mm threads and with 10mm threads to suit which type of calipers you have, fortunately for the twin bleed brigade they come in packets of two. They are basically a bleed nipple with a PTFE seal on the thread and a non return valve inside, so you just loosen the nipple and then pump away, when done, retighten nipple, no dramas, no helper etc, take a look at www.speedbleeder.com, I did a deal with the USA manufacturer and then got my niece to bring over to UK a nice big box full.
CLEM

UK suppliers quote ?18 plus post for plated items, the one I have are stainless and I can do 6mm x1mm for ?15 plus post (say ?2) and 10mm x 1mm for the same. If using paypal, you are asked to pay the fees. If your name is Nick Davies it will cost you lunch at Bike Shed
 
Thats a deal Clem, just name the day?😉 the pads from Ducatipaddy are Brembo carbon ceramic..look like they will grip! I have the original solid cast iron disks...dont really care if they get worn..thats what they are for? Malc Cox does nice replacements now.
 
Call me naive but I never imagined that DOT 4 brake fluid would have various formulations.  That makes me doubt the advice I once received that any DOT 4 is compatible with any other DOT 4 fluid.
 
I don't think I have ever replaced my dot 4 brake fluid with the same stuff and never had a problem. In fact I like to see the slightly different colour stuff come through and I know it is flushed. More a problem is not changing it.
Dot 5 caused trouble when it came out so I have never used it.
 
motoddrob said:
I was lead to believe dot5 isn't compatible with the rubbery bits in the older brembo brake systems
Click to expand...

It is, actually.  I used it in a completely overhauled system with fresh rubber for a while with no issues, in fact, the rubbery stuff lasted quite a bit longer than with DOT4 at the time.  I switched back to DOT4 because of DOT5s incompatibility with 4, and the difficulty sourcing the stuff in the middle of nowhere.  Alpine hooning takes its' toll on brake pads, I found myself with an almost empty reservoir on several occasions!  Not easy to source either pads or special fluids in rural Switzerland or Austria on a Sunday afternoon... DOT5 wasn't available at petrol stations.

I now use DOT5.1, which is mineral based and compatible with DOT4 if need be, but not as aggresive on painted surfaces.  It isn't as hygroscopic as 4 and has a slightly lower boiling point.  Quite OK for road use, dunno how it behaves when worked hard on a race track.

Seems Brembo has since got their shit together, their rubber finally lasts longer than just 2 seasons.

piet
 
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