Any long term success rebuilding center stand? - BMW Luxury Touring Community
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post #1 of 25 Old Feb 9th, 2013, 3:09 pm Thread Starter
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Any long term success rebuilding center stand?

So the site has sevral descriptions of people attempting electric center stand rebuilds along with procedures, but has anyone had any long term success doing it? Mine is nearly toast; takes 3-4 tries to lift the bike.

'15 GTLE


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post #2 of 25 Old Feb 9th, 2013, 10:25 pm
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Re: Any long term success rebuilding center stand?

I rebuilt mine last summer....replaced the seals and wiper after cleaning every little thing on it. Took me 3 or 4 tries before getting the fluid level right.......and I am now very happy with it. If you get the seals for lower that $50 for the pair let me know. I'd like to have a spare set ...."just in case". I probably have something like around 8,000 miles on it now.

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post #3 of 25 Old Feb 10th, 2013, 1:31 pm
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Re: Any long term success rebuilding center stand?

I'm well on the way to needing something myself - my EHCS is pretty slow now. I understand the bulk of the issues tend to be fixed by getting the fluid level exactly right, so that will be my first port of call. I have some searching to do to find a suitable "how to".

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post #4 of 25 Old Feb 10th, 2013, 3:58 pm
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Re: Any long term success rebuilding center stand?

I always have the seals and spare motors in stock. None of my rebuilds have come back. Mine is still going strong as well. It is not rocket science (I work in Huntsville AL a place with more Rocket PhDs than any where else in the country).

John
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post #5 of 25 Old Feb 10th, 2013, 4:58 pm
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Re: Any long term success rebuilding center stand?

..and I'm just a garage hack who has rebuilt mine several times, and now I think I've got it right also. Its working like a dream again since last rebuild.
I probably went way too far the first time and stripped everything completely apart as in Ari & Joe's rebuild instructions. Only replaced 1 of the seals as I couldn't find all the right ones, but I've had no leak problems from that.
I would recommend, if its not leaking, the first thing to do would be flush the oil and replace it without opening the thing up, making sure you get the advised amount in (John Z's recommendation is damn good) and also maybe drop a new motor on it if its over say 3-4 years old and gets used a lot. That little motor builds up a lot of carbon inside it, some guys have reported successfully replacing the brushes, but not me.
That's probably gonna cost you about $40-$50 all up and would minimise the chance of doing something that might cause further grief, like a blown seal or cracked casing.
Have fun!

Chris
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post #6 of 25 Old Feb 11th, 2013, 8:16 am
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Re: Any long term success rebuilding center stand?

JZEILER rebuilt mine last year, and it works perfect. However, after watching him do the rebuild I wouldn't try it myself.

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post #7 of 25 Old Feb 11th, 2013, 11:44 am Thread Starter
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Re: Any long term success rebuilding center stand?

Well, I figure it'll be a good winter project, though winter around here is intermittant and I find my self riding to work a lot. Will the bike run with the center stand off?

'15 GTLE


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post #8 of 25 Old Feb 11th, 2013, 4:28 pm
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Re: Any long term success rebuilding center stand?

Absolutely... not a problem at all.
Just remember to park sensibly so you can use the sidestand.

Mind you, if you do the minimum amount that'll probably get it running fine again (oil & motor) that'll take a couple of hours at most before its back on the bike.

Chris
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post #9 of 25 Old Feb 11th, 2013, 6:23 pm
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Re: Any long term success rebuilding center stand?

Quote:
Originally Posted by smahon
Well, I figure it'll be a good winter project, though winter around here is intermittant and I find my self riding to work a lot. Will the bike run with the center stand off?
You don't have to remove the center stand to remove the actuator. The bike won't even miss it as there is no feedback to the controller.

John
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But lack DE, MA, RI and CT with the 2005 LT

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post #10 of 25 Old Feb 12th, 2013, 1:14 am Thread Starter
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Re: Any long term success rebuilding center stand?

Quote:
Originally Posted by jzeiler
You don't have to remove the center stand to remove the actuator.
So that's interesting. Right now the bike is on the lift, on the center stand, for other maint. Does this mean I can do the rebuild with the center stand deployed?

'15 GTLE


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post #11 of 25 Old Feb 12th, 2013, 3:40 am
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Re: Any long term success rebuilding center stand?

John corrected my broad mis-statement :-)
Remove the EHCS actuator, leave the centre stand itself on the bike.

Yep, thats easiest way to do it... while its up on the stand.
Here's a clip showing you what to undo...


Some additional info...
You can remove that central cylindrical support piece the rod goes through to clean it up, beware there's a thin shim in there also. Regrease the support and reinstall.
But if you are going to leave the actuator itself off while riding, good idea to put a small bolt through the rod support hole and a nut on the end (in place of the rod) so the support can't fall out.

Chris
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Last edited by cws; Feb 12th, 2013 at 3:57 am.
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post #12 of 25 Old Feb 12th, 2013, 11:41 am
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Re: Any long term success rebuilding center stand?

Yes, what Chris did. You don't need to do as much as Joe had in his write up and please don't go as far in the teardown as Ari did, at least don't if you will be sending it to me when you can't get it back together.

John
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2005 K1200LT Ocean Blue Blue Wizard 110 K and counting...
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post #13 of 25 Old Mar 8th, 2013, 6:04 pm Thread Starter
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Re: Any long term success rebuilding center stand?

OK, I am ready to start this project and I found the motor on eBay, $29 shipped. Check.

In Joe's article he states he sourced the seals as follows:

Quote:
I purchased Seals and O-Rings from:

Allied Metric Seals and Fasteners Inc.
2 Wilson Drive
Unit 4
Sparta, NJ 07871
Phone: 973-383-2487
FAX: 973-383-3329


[email protected]

I spoke to “Bill” In March 2008, seals were $4.00 per and O-Rings $0.50.
Minimum order Qty was 4 Seals and O-Rings
Is this still the only way to get them? I've read no less than 10 threads where someone asked where to get these things without anyone ever answering, so now I too resort to asking.

'15 GTLE


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post #14 of 25 Old Mar 8th, 2013, 9:18 pm
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Re: Any long term success rebuilding center stand?

That is your best bet. I am using some from a Portland supplier but I have had to machine the seal backup ring as the seals are a bit thicker and the stock one will not fit. I also bought quite a few before I found that out.

John
2009 K1300GT Red Rocket
2009 R1200GS (Gone)
2005 K1200LT Ocean Blue Blue Wizard 110 K and counting...
2006 Bushtec Turbo+2 Spell
2004 330 Ci Convertable
K4AN

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But lack DE, MA, RI and CT with the 2005 LT

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post #15 of 25 Old Mar 8th, 2013, 10:42 pm
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Re: Any long term success rebuilding center stand?

I can sell you a pair for $12
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post #16 of 25 Old Mar 9th, 2013, 11:45 am
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Re: Any long term success rebuilding center stand?

Quote:
Originally Posted by jzeiler
The bike won't even miss it as there is no feedback to the controller.
The bike won't miss it but my tests on the workbench for my total conversion has taught me that the controller does in fact check for continuity in the relay circuit. If the circuit is open, the controller will blink at 4 hz and not power the relay. I do not knpw what the computer display will show (!, hourglass, or Electrical problem?) If the actuator is off, you won't need it anyway, but it avoids putting power on the terminals.

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post #17 of 25 Old Mar 9th, 2013, 2:27 pm
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Re: Any long term success rebuilding center stand?

Quote:
Originally Posted by JWA
The bike won't miss it but my tests on the workbench for my total conversion has taught me that the controller does in fact check for continuity in the relay circuit. If the circuit is open, the controller will blink at 4 hz and not power the relay. I do not knpw what the computer display will show (!, hourglass, or Electrical problem?) If the actuator is off, you won't need it anyway, but it avoids putting power on the terminals.
I don't know what you checked as there is no connection between the relay contacts and the controller. It will not know it isn't connected.
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John
2009 K1300GT Red Rocket
2009 R1200GS (Gone)
2005 K1200LT Ocean Blue Blue Wizard 110 K and counting...
2006 Bushtec Turbo+2 Spell
2004 330 Ci Convertable
K4AN

Have ridden a Motorcycle in all 48
But lack DE, MA, RI and CT with the 2005 LT

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post #18 of 25 Old Mar 11th, 2013, 7:18 pm
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Re: Any long term success rebuilding center stand?

You are right John, I was referring to the EHCS relay circuit which is tested but that is not disconnected when we remove the pump and cylinder under the bike. Thje controller checks that the relay solenoid circuit is closed but has no way to check for the motor itself.
Sorry.
John

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post #19 of 25 Old Mar 11th, 2013, 7:24 pm
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Re: Any long term success rebuilding center stand?

No problem, I was not aware it would fault if the relay coil is open. That is good to know!

I think I may have met the first one I cannot rebuild as it appears the seal on the pump drive gear shaft failed and filled the motor with oil. That wore the brushes into oblivion!

Will have to see if I can source that seal now!

John
2009 K1300GT Red Rocket
2009 R1200GS (Gone)
2005 K1200LT Ocean Blue Blue Wizard 110 K and counting...
2006 Bushtec Turbo+2 Spell
2004 330 Ci Convertable
K4AN

Have ridden a Motorcycle in all 48
But lack DE, MA, RI and CT with the 2005 LT

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post #20 of 25 Old Mar 11th, 2013, 8:23 pm Thread Starter
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Re: Any long term success rebuilding center stand?

Quote:
Originally Posted by DanMartin
I can sell you a pair for $12
PM sent.

'15 GTLE


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post #21 of 25 Old Feb 8th, 2015, 6:09 pm
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Re: Rebuilding center stand?

Can someone message me if they're still rebuilding these pistons?

JZeiler... Dan...Bueller?

My piston has been off the bike for months.
If I can't get it rebuilt by someone on here I will get the seals and have my private BMW guy or independent mechanic do it.

Thanks!
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post #22 of 25 Old Feb 8th, 2015, 6:36 pm
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Re: Any long term success rebuilding center stand?

Sent a PM.

Send it complete if you do.
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John
2009 K1300GT Red Rocket
2009 R1200GS (Gone)
2005 K1200LT Ocean Blue Blue Wizard 110 K and counting...
2006 Bushtec Turbo+2 Spell
2004 330 Ci Convertable
K4AN

Have ridden a Motorcycle in all 48
But lack DE, MA, RI and CT with the 2005 LT

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post #23 of 25 Old Feb 16th, 2015, 3:03 pm
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Re: Any long term success rebuilding center stand?

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post #24 of 25 Old Feb 16th, 2015, 8:12 pm
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Re: Any long term success rebuilding center stand?

Yes Long term...rebuilt the motor including brushes as per Ari's farkels, who is in Finland and is a great person
Thanks Ari
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post #25 of 25 Old Feb 17th, 2015, 6:09 pm Thread Starter
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Re: Any long term success rebuilding center stand?

Quote:
Originally Posted by JamesW View Post
Yes Long term...rebuilt the motor including brushes as per Ari's farkels, who is in Finland and is a great person
Thanks Ari
Yes he is. 5 months after starting this thread my wife and I visited with him at his home.
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