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Old 12-15-2010, 05:56 AM   #1
tagesk OP
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Thumb Beware of old-style nut on rear calipper (1150)



On the left the old-style nut that holds the bleed nipple on the rear caliper. As you can see,
it has a flange around the edge. This ensures that the nipple will stand in water at all times.
The result is obvious.

The new-style nut is flat on top and no water remains.

Problem is: The nut is not for sale. You must purchase a full caliper. The price seems to be in the 400-euro range "Over Here".

If you have the old-style nut you might want to look into it, and replace it, well before the nipple breaks off.
At least, you want to examine the nipple carefully!

There is, however, a small problem. The new nut has (space for) an O-ring at the bottom. The old one
does not have that. Thus, you need to remove the O-ring (as the old caliper does not have space for it)
and replace it with a larger copper washer than the one you find on the old nut.
Also: On the old nut you will find (traces) of Locktite 243 (the one that does not need heating to let go).
Apply it also on the new nut.

[TaSK]
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Old 12-15-2010, 07:20 AM   #2
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Another solution may be to clean off any surface corrosion present and put a little bead of silicone around the base of the nipple to prevent water from standing there. It shouldn't cause any problems with bleeding the caliper.

I'll make a note to myself to look at mine when I do my Spring inspection in a couple months.
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Old 12-15-2010, 07:46 AM   #3
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Quote:
Originally Posted by mcstark View Post

I'll make a note to myself to look at mine when I do my Spring inspection in a couple months.
You expect spring in Buffalo in only a couple of months?

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Old 12-15-2010, 08:26 AM   #4
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Quote:
Originally Posted by Railbender View Post
You expect spring in Buffalo in only a couple of months?
32 degrees or above in Buffalo IS considered springlike.....
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Old 12-15-2010, 09:45 AM   #5
99p38a
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nipple nuts

I had to buy a nut replacement, speedbleeder sells them here in the US for under $7 or something. I cranked on my speedbleeder too hard and snapped it in the stock one so I was in search as you are.

Speed Bleeder Products, Inc
13140 Apakesha Rd. Newark, IL 60541 USA
Tel: 815 736 6296 Fax: 815 736 6297

Toll Free Number 1 888 879 7016

http://www.speedbleeder.com/
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Old 12-15-2010, 11:09 AM   #6
mcstark
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Quote:
Originally Posted by Railbender View Post
You expect spring in Buffalo in only a couple of months?

I've contacted some "connected" Italian friends and Phil will be taken care of this year.
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Old 12-15-2010, 12:47 PM   #7
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Originally Posted by mcstark View Post
I've contacted some "connected" Italian friends and Phil will be taken care of this year.
Phil only covers PA. I think your area is covered by Dunkirk Dave. Memorial Day is my guess for spring in Buffalo. I know the lake stays cold well into June.

Just go to Ted's and get a hot dog.

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Old 12-15-2010, 01:12 PM   #8
Dan Căta
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@Task, where is the new nut coming from? A car or something?

Dan.
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Old 12-15-2010, 02:04 PM   #9
tagesk OP
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Thumb

Quote:
Originally Posted by Dan Căta View Post
@Task, where is the new nut coming from? A car or something?

Dan.
A friend happens to work as at a BMW dealer nearby. He took an old caliper out of a drawer and
gave me the nut. The nut is original BMW (read: Bremo).

[TaSK]

PS: I have not forgotten about the thing you asked - I will add it Very Soon Now.
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Old 12-15-2010, 03:01 PM   #10
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drill out the broken bit, tap it for a new zerk fitting thing, epoxy to fill the space


EDIT... what I ment is tap/clean the threads & install a new bleed screw (helicoil if need be). use the epoxy to fill in where the water lays.... didn't mean to imply it would be good to epoxy the screw into the fitting. since it is apparent that a new replacement can be had cheap there is on point in trying to fix the old one.

Beezer screwed with this post 12-16-2010 at 11:59 AM
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Old 12-15-2010, 03:31 PM   #11
mike54
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Quote:
Originally Posted by Beezer View Post
drill out the broken bit, tap it for a new zerk fitting thing, epoxy to fill the space

Cripes!
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Old 12-15-2010, 06:41 PM   #12
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Quote:
Originally Posted by 99p38a View Post
I had to buy a nut replacement, speedbleeder sells them here in the US for under $7 or something. I cranked on my speedbleeder too hard and snapped it in the stock one so I was in search as you are.

Speed Bleeder Products, Inc
13140 Apakesha Rd. Newark, IL 60541 USA
Tel: 815 736 6296 Fax: 815 736 6297
Toll Free Number 1 888 879 7016

He's talking about the big nut the bleeder threads in to. I have read at least three threads here of folk looking for them as you have to buy the whole caliper otherwise. Doesn't speed bleeder just sell bleeders?
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Old 12-15-2010, 06:45 PM   #13
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There used to be saying in England when I was a lad:

"oily rag clean"

You go over your bike with an oily rag in those nasty places to keep rust at bay. I've been dabbing oil on offending BMW fasteners for years, and wiping my spokes with an oily rag.
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Old 12-16-2010, 02:31 AM   #14
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Mine was snapped when I bought the bike, I think I got the whole thing in stainless from motorworks for around Ł10, cheap easy fix.
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Old 12-16-2010, 03:17 AM   #15
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You need a stainless steel rear nipple AND holder plus it has a space for the "O" ring

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