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CaptainBalrog Brick Rider
Joined: 14 Jul 2018 Posts: 38
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Posted: Mon Mar 25, 2019 8:16 am Post subject: |
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Hi All
So i got the hoses and the pins (Fully hammeroutable).
And then when i took the old pads out i found that the face of one of the pistons has a hole in it.
Just looking for some advice here. Replace? Ignore?
Also, when i started looking at how to fit the hoses there's a bit like on a car where it goes into a metal line that looks to go under the tank.
I haven't checked the Clymer book of lies yet but i'm wondering if i should replace that part too since it looks like the tank is coming off to get at it?
Advice much appreciated chaps. _________________ Be gentle it's my first time (owning a BMW) |
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Scott_Anderson Site Admin
Joined: 05 Sep 2006 Posts: 3117 Location: Central Iowa, USA
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Posted: Mon Mar 25, 2019 10:57 pm Post subject: |
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As far as the piston goes, it should not have a hole in it.
A full rebuild kit(if you can get one) should come with new pistons.
As far as brake lines go, you will most likely have to move the tank to reach the adapter fitting. You should be able to just slide it rearward without having to disconnect the fuel lines.
From that fitting it is all metal lines to the ABS unit and back. _________________ Ride safe.
1995 K1100LT 0302044
1997 R1100RT ZC62149
2017 FLHTK Ultra Limited
Garmin StreetPilot 2820
Garmin Zumo 550
Garmin Zumo XT
"One who does not ask questions is ashamed to learn" Danish proverb
1997 K1100LT 0302488(R.I.P.) |
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CaptainBalrog Brick Rider
Joined: 14 Jul 2018 Posts: 38
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Posted: Tue Mar 26, 2019 8:26 am Post subject: |
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Found a couple of piston kits but the're wild pricey.
Another option is to replace the caliper i guess.
Or at least get another rh caliper from a breaker and use the piston out of it.
The rh one on my bike is very sticky. The two bottom pistons pump out ok but pushing them back in was almost impossible.
Does the RS caliper fit does anybody know?
Like this one:
https://www.ebay.co.uk/itm/323744965082
I've done that before. Just bought a spare caliper and made one decent one out of two. _________________ Be gentle it's my first time (owning a BMW) |
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Flying Duck PsyKotic Waterfowl
Joined: 27 Jan 2005 Posts: 10082 Location: Bumf***, WA
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Posted: Tue Mar 26, 2019 9:33 am Post subject: |
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The following bikes all have the same front calipers:
_________________ 93 LT (x2)
94 RS
86-97 K75F(K75/100/1100 Frankenbrick)
86 K75C w/paralever, hi perf cams,TURBO!
91 & 92 K75Ss
91 K1
86 custom K100
14 WR250R
IBA #17739 (SS1K, BBG, 50CC)
Buy parts HERE |
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CaptainBalrog Brick Rider
Joined: 14 Jul 2018 Posts: 38
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Scott_Anderson Site Admin
Joined: 05 Sep 2006 Posts: 3117 Location: Central Iowa, USA
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Posted: Mon Apr 01, 2019 6:11 am Post subject: |
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I'd honestly say that it is a crap shoot when you are talking about splitting them.
I have done mine and not split them.
The risk being, if you split it and it then leaks afterwards, you don't have much choice but to replace it..... defeats the purpose of a rebuild kit... _________________ Ride safe.
1995 K1100LT 0302044
1997 R1100RT ZC62149
2017 FLHTK Ultra Limited
Garmin StreetPilot 2820
Garmin Zumo 550
Garmin Zumo XT
"One who does not ask questions is ashamed to learn" Danish proverb
1997 K1100LT 0302488(R.I.P.) |
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CaptainBalrog Brick Rider
Joined: 14 Jul 2018 Posts: 38
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Posted: Mon Apr 01, 2019 6:48 am Post subject: |
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Interesting.
How did you do it?
I don't have a compressor or anything so i'd be relying on the caliper being connected to the hose to push the pistons out. _________________ Be gentle it's my first time (owning a BMW) |
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Scott_Anderson Site Admin
Joined: 05 Sep 2006 Posts: 3117 Location: Central Iowa, USA
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Posted: Mon Apr 01, 2019 7:33 pm Post subject: |
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Ah, yeah I have an air compressor so it made it much easier to do.
As long as you are replacing the pistons, no harm in using a pair of pliers to grab the old pistons to remove them. _________________ Ride safe.
1995 K1100LT 0302044
1997 R1100RT ZC62149
2017 FLHTK Ultra Limited
Garmin StreetPilot 2820
Garmin Zumo 550
Garmin Zumo XT
"One who does not ask questions is ashamed to learn" Danish proverb
1997 K1100LT 0302488(R.I.P.) |
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CaptainBalrog Brick Rider
Joined: 14 Jul 2018 Posts: 38
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Posted: Fri Apr 12, 2019 2:52 pm Post subject: |
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Ok so I did the caliper service without splitting and it was actually not much more difficult.
Used a g clamp and a block of wood to isolate each piston. Pumped one out, removed old seals, cleaned grooves, new seals in followed by piston. No probs.
The thing that made it awkward was having to remove the top of the fluid reservoir and refill after each piston. But it didn't use much fluid really. I'd do it this way in future now that I know.
Still haven't done the hoses. Hopefully do that if it doesn't rain tomorrow. _________________ Be gentle it's my first time (owning a BMW) |
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Al. Flying Brick Rider
Joined: 28 Oct 2005 Posts: 383 Location: West of Ireland
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Posted: Sun Apr 21, 2019 11:02 am Post subject: |
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Got mine from
https://www.wemoto.com
In UK
Loads of brake stuff
What pert of world are you?? _________________ 1994 K1100 LTSE + Blackbird |
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CaptainBalrog Brick Rider
Joined: 14 Jul 2018 Posts: 38
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Posted: Sat May 04, 2019 7:22 am Post subject: |
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Hi
Finally got it all done.
Bike going quite well. What a motor it has!
Couple more issues but I'll post separate for them.
Thanks for all the help. This bike is a step up in mechanical work from an old xt!
Thanks for the suggestion Al. I'd already got mine from goodridge. That's where I've always got them before.
I'm in Belfast! _________________ Be gentle it's my first time (owning a BMW) |
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