Speed bleeder nipples - worth it or stay away? - MVAgusta.net
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post #1 of 12 (permalink) Old 07-02-2016, 01:39 PM Thread Starter
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Speed bleeder nipples - worth it or stay away?

Are these known to be reliable or prone to failing and risky?

Is it best to keep to the old tried and tested method of bleeding brakes or are these goodridge speed bleeder nipples worth fitting to the standard F4 750 brakes? Anyone had experience with these or other makes ?

https://www.ebay.co.uk/itm/301071168659

Does anyone know the size of bleeder nipples I would need for the stock front and rear brakes on a 2004 F4 750 evo3?

Thanks guys.

Takis
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post #2 of 12 (permalink) Old 07-02-2016, 07:14 PM
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The question would be why?

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post #3 of 12 (permalink) Old 07-02-2016, 07:32 PM Thread Starter
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They have built in one way valve. One less thing to worry about when bleeding brakes/clutch.
Prefer not to bother with opening/closing nipples inbetween depressing levers to bleed. Have used one way valves in the past but curious if this would be an improvement, simplify it - provided they are reliable.
I may have misunderstood it and stand to be corrected but seems like it would simplify the process.
Just wondering if worthwhile?
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post #4 of 12 (permalink) Old 07-02-2016, 09:37 PM
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Thumbs up ????

Another useless POS

I don't even use bleed fittings......air rises in a fluid

Remove the left caliper, press the lower pistons all the way back in, now with the hose

at the high point, press the upper pistons all the way back in

Secure them with a block of wood.......do the same with the right side, tap on the lines

starting at the bottom

Now all the air is in the M/C.......point the M/C downhill so the return port is at the top

To do this with a Brutale loosening the M/C and turning the bars to the left should be

enough with an F4 you will need to remove the M/C and use some scrap tubing as a

handlebar

Now squeeze the lever just 5-10mm several times, you will hear/feel the bubbles

Now squeeze the lever hard and repeat the above until you don't hear/feel bubbles

Remount the calipers and M/C......pump the brakes back up

You can do this with the cover off the M/C.....but be careful, the return port squirts as

you start to squeeze

Flushing old fluid is pretty much the same......

Push the pistons, now the old fluid is in the M/C, syphon the reservoir and clean

Add new fluid, start with the right caliper put an 8mm box end wrench on the bleed

fitting ......and use one of the stupid smog vacuum lines with the 180 bend in it

to drain the fluid into a bottle, absolutely the perfect hose for the job (Brembos)

Don't run the reservoir dry or you'll have to bleed it again



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post #5 of 12 (permalink) Old 07-02-2016, 11:52 PM
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I've been using them for better part of 5 years without any problems, I bleed my systems more often than road riders so it helps me with speed and having one hand free. If you're only bleeding your system once a year it's really not such a big deal.

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post #6 of 12 (permalink) Old 07-03-2016, 06:29 AM
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OK. Now I have a question. I get the convenience of a check-valve...I'll assume it's a ball-check.

How does the system prevent air bypassing the thread once the nipple is unseated?

I the red coating a semi-solid coating that seals the threads from air intrusion?

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post #7 of 12 (permalink) Old 07-03-2016, 09:03 AM
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Yes Chuck, it's a semi thread sealer, you undo the nipple about 1/4 turn and do your thing.
You get a little bottle of the thread sealer with for future use.

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post #8 of 12 (permalink) Old 07-03-2016, 09:18 AM
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That helps.

It would be an interesting product if I were doing alot of brake work/bleeding...say while racing or doing a ton of track days.

For the regular Joe just riding bikes, I don't see a need.

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post #9 of 12 (permalink) Old 07-03-2016, 09:20 AM
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Then again...if I didnt' use a vacuum bleeder with one handed operation, then these would be a good thig to have if you don't have an assistant.

(Indecision may, or may not, be my problem....)(Credit to J.B.)

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post #10 of 12 (permalink) Old 07-03-2016, 03:54 PM Thread Starter
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Quote:
Originally Posted by theknurl View Post
Another useless POS

I don't even use bleed fittings......air rises in a fluid ........
.........

Now Noel, i don't want to push you as I see you're on the fence about this. Are you sure you don't want to take another look at it?

Joking aside, thanks for the advice. I need to do my brakes and clutch pronto coz it's been sometime so will look into other methods as you say.


Quote:
Originally Posted by Donsy View Post
I've been using them for better part of 5 years without any problems, I bleed my systems more often than road riders so it helps me with speed and having one hand free. If you're only bleeding your system once a year it's really not such a big deal.
Donsy, i see what you mean. I only do these about once a year (if that! - clutch and rear brake really hurting at moment - just had a nice hour and a half ride out with a next door neighbour through the lanes of Herts and Essex and realised I've got NO rear brake and clutch is not smooth). I do like the idea of having these speed bleeder nipples coz they simplify it but there's more than one way to skin a cat. If I go back to doing regular track days I will fit them but for now will make do with pumping the brake lever and adding fluid.

Thanks a lot also to Silentservice.
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