newbie front brake problem

slparry · Post by **slparry** » Fri May 24, 2013 7:29 pm

totally unrelated but I had a problem recently with the brake on my F650, nothing I could do could stop it feeling odd and spongy.... bled the bloody thing every which way till I was blue..

D'ya know what it was in the end? A piece of grit/pepple chip, I assume from the salting of the roads, about 5mm thick had got lodged in the brake, and given on the F650 it's a sliding caliper, it was stopping it slide properly took me ages to track it down

pauls · Post by **pauls** » Fri May 24, 2013 7:31 pm

Yes get a mini jet of fluid.have changed calipers but still the same? Will try banjo again in morn. Anybody know the size and where I can get front brake switch screw that holds it on? Dropped it and it disappeared?

timbox2 · Post by **timbox2** » Fri May 24, 2013 7:35 pm

pauls wrote:Yes get a mini jet of fluid.have changed calipers but still the same? Will try banjo again in morn. Anybody know the size of front brake switch screw that holds it on? Dropped it and it disappeared?

M2 x 12.

You think Im a Geek now dont you,

But actually its all down to Max BMW http://www.maxbmwmotorcycles.com/index.html

They have all the parts slides online

pauls · Post by **pauls** » Fri May 24, 2013 7:56 pm

Ok cheers just need to find somebody that sells one?

Corvus · Post by **Corvus** » Fri May 24, 2013 8:01 pm

M2!

Golly gumdrops that's small.

Rob your calculator/tv remote.

Dai wiskers · Post by **Dai wiskers** » Fri May 24, 2013 11:24 pm

If your trying to bleed it and your getting a jet of fluid out of the res your pumping far to quick you are pushing the air down the pipe you got to go slow then tickle the lever to get the little bubbles out

Treat it like a woman take your time then give it gentle touches
Don't just grab at it often using your thumb over the nipple will give you better results than using a spanner on the nipple
Are your nipple clear or is one blocked
Do you still have the stupid BMW thing fitted to the one calliper BMW only fit a bleed nipple to one calliper if your trying to bleed it from one side it will never happen

You guessed it Dai's been drinking and can't be bothered to go through the whole thread again
We have to be getting close Dai

Merecat · Post by **Merecat** » Sat May 25, 2013 10:48 am

Dai wiskers wrote:If your trying to bleed it and your getting a jet of fluid out of the res your pumping far to quick you are pushing the air down the pipe you got to go slow then tickle the lever to get the little bubbles out

Treat it like a woman take your time then give it gentle touches
Don't just grab at it often using your thumb over the nipple will give you better results than using a spanner on the nipple
Dai

Sound advice fron Dai
But eventually she will leave you for a younger owner, and in a messy separation you will loose custody of half of your workshop tools

Mick

Corvus · Post by **Corvus** » Mon Sep 09, 2013 6:50 am

What was the outcome of this mystery?

conkerman · Post by **conkerman** » Mon Sep 09, 2013 7:32 am

Dai Yesterday.

The Moral of this story is that Motorcycle brakes can be a pain to bleed if you don't have a mityvac/big syringe.