K11 Owners Group

dibdob69 · Posted: Sun Jan 29, 2012 3:08 am Post subject: No Drive ?

I have been getting a clunky noise when i let the clutch leaver out then last night as i was changing down for some red traffic lights i lost drive to the back wheel, There was also the most horrific screaming/squealing noise coming from the gearbox/clutch area when i pull the clutch leaver in Crying or Very sad

, The engine seems fine Laughing

Could someone please point me in the right direction as its cold as hell here, I need the bike for work and I'm going to have to do it outside Rolling Eyes

_________________
BMW K1100LT 93
BMW 1150 GSA O3
KTM 690R 09

SugarHillCTD · Posted: Sun Jan 29, 2012 7:47 am Post subject:

From your description it could be that the splines on the trans input shaft are history or something odd has happened to the clutch friction plate

Does the bike still roll in neutral?

With the bike shut off, are you able to shift the gears when you rock it back and forth?

If the two above are yes, it is beginning to sound like you need to get the final drive and transmission pulled back from the engine and get a look at the friction plate and input shaft.

Hopefully others here will add to this or have some further (differing?) thoughts.

Good luck! Let us know your progress.

John
_________________
John & Cathy

'92 K100RS4V Pearl White SOLD
'04 K1200GT
IBA Several-SS1k, BBG, 50CC NYC to S.F.

Scott_Anderson · Posted: Sun Jan 29, 2012 9:46 am Post subject:

I agree with John, the only way you are going to know what the problem is, let alone fix it, is to separate the gearbox from the bell housing cover.
_________________
Ride safe.

1995 K1100LT 0302044
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.)
1997 R1100RT ZC62149(sold)

jr'sbmw · Big Brick Rider Joined: 04 Nov 2008 Posts: 54 Location: Fl

Agree. I have a riding buddy that's owned 2 BMW's. One lost the imput shaft splines and the other had soft clutch splines(1993 K11RS), both happened at low mileage.

Mike d · Posted: Tue Jan 31, 2012 8:36 am Post subject:

Hi Dibdob69,

It does sound like gearbox input shaft/clutch splines Crying or Very sad

Last year my R1150RT stripped its input shaft and clutch centre with exactly the same screeching noises (but, in my case no prior clunking warning).

Assuming it is the input shaft, then this time of year it's going to be hard enough working outside just to get the rear drive and gearbox out. Have you got somewhere a little less hostile to strip the gearbox? If you don't fancy doing it yourself, you could take the box to Steve Scriminger over in Sleaford, he has a very good reputation (www.scriminger.co.uk)

Mike

dibdob69 · Posted: Tue Jan 31, 2012 4:38 pm Post subject:

Thanks everybody Wink

looks like the gearbox/final drive is coming off Sad

Is there a "How to remove gearbox, final drive" thread ?
_________________
BMW K1100LT 93
BMW 1150 GSA O3
KTM 690R 09

Al. · Posted: Tue Jan 31, 2012 5:59 pm Post subject:

http://k11og.org/forum/viewtopic.php?t=10847

There are several but you can start here !

and here http://www.ibmwr.org/

http://www.ibmwr.org/ktech.shtml

and of course the Stickies Section

http://k11og.org/forum/viewforum.php? f=12&sid=beebdaba669a1fd065c128273e2f6664

drikko · Posted: Tue Jan 31, 2012 6:24 pm Post subject:

lots, use search for 'spline lube"
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K1100RS '97
Laverda RGS 1000 '84
Jim Young Trailer Sailer 5.7M WB

DISCLAIMER:- Anything I say may have been when I was drunk so please don't take it personally.

'Bigamy is having one wife/husband too many. Monogamy is the same.'
Oscar Wilde

dibdob69 · Posted: Wed Feb 01, 2012 1:56 am Post subject:

Do I need to remove the exhaust ?
_________________
BMW K1100LT 93
BMW 1150 GSA O3
KTM 690R 09

SugarHillCTD · Posted: Wed Feb 01, 2012 6:08 am Post subject:

dibdob69 · Posted: Thu Feb 02, 2012 3:27 pm Post subject:

Right, Gearbox out, I had to take the exhaust off but only snapped one stud, Didn't have to take the ABS off just strapped it up out of the way.

Gearbox looks fine but the clutch has had the splines stripped !!! Seems a bit weird to me but we will see if anythings wrong when i get the clutch out.

Ive undone the six allen head bolds but the clutch wont budge Sad

_________________
BMW K1100LT 93
BMW 1150 GSA O3
KTM 690R 09

SugarHillCTD · Posted: Thu Feb 02, 2012 3:39 pm Post subject:

Easier for you, since you do have ABS I.

The disassembly wasn't that bad, was it?

So what did you find? Input shaft splines, friction plate or ????
_________________
John & Cathy

'92 K100RS4V Pearl White SOLD
'04 K1200GT
IBA Several-SS1k, BBG, 50CC NYC to S.F.

dibdob69 · Posted: Thu Feb 02, 2012 3:48 pm Post subject:

Took my time, about 6 hours never above 0 degrees centergrade with the garage door open my feet were like blocks of ice Laughing

Gearbox looks fine but the clutch has had the splines stripped !!! Seems a bit weird to me but we will see if anythings wrong when i get the clutch out. Ive undone the six allen head bolds but the clutch wont budge
_________________
BMW K1100LT 93
BMW 1150 GSA O3
KTM 690R 09

SugarHillCTD · Posted: Thu Feb 02, 2012 4:39 pm Post subject:

Look at the exploded view

The locating pins (next to #12 in the picture) between each pair of bolts- the ones you removed- could be corroded/rusted and keeping the assembly together.

Stay warm.

John
_________________
John & Cathy

'92 K100RS4V Pearl White SOLD
'04 K1200GT
IBA Several-SS1k, BBG, 50CC NYC to S.F.

dibdob69 · Posted: Thu Feb 02, 2012 7:14 pm Post subject:

Any idea what would cause this to happen to the friction plate ?
_________________
BMW K1100LT 93
BMW 1150 GSA O3
KTM 690R 09

robleyd · Posted: Thu Feb 02, 2012 7:28 pm Post subject:

Lack of lubrication on the splines is the obvious culprit. You might want to check the drive shaft while you have things apart.

Search the forum for spline lubrication Very Happy

_________________
David, owner of:
1996 K1100 LT

Scott_Anderson · Posted: Thu Feb 02, 2012 8:33 pm Post subject:

Dont forget,,,,before you get the pressure plate parts totally apart, make sure you mark an alignment point for balance purposes on all 3 of the fixed parts.

As far as the clutch disk stripping out, not unheard of. It's a whole lot cheaper than the shaft end of the trans shaft being stripped off.

Make sure to take a good lood at the shaft splines, that they are not shifted and good shape.
_________________
Ride safe.

1995 K1100LT 0302044
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.)
1997 R1100RT ZC62149(sold)

dibdob69 · Posted: Fri Feb 03, 2012 4:59 am Post subject:

I'm compiling a list of bits for the rebuild, so far i need a friction plate, 6 Allen head bolts and washers and Spline lube but is there anything else i need to replace ?

I am hoping i don't need to take the clutch nut off unless really necessary but if i do i will replace that as well.
_________________
BMW K1100LT 93
BMW 1150 GSA O3
KTM 690R 09

SugarHillCTD · Posted: Fri Feb 03, 2012 8:20 am Post subject:

Since you are in this deep, I would recommend that you pull the flywheel off and replace the "O" ring. #11 in the image.

After 18 years of heat cycling your O ring probably doesn't have much of its rubber properties remaining. Mine broke into 2 pieces when I tried to remove it. (top right in the following image. That is the old engine rear seal at the top)

If you don't replace the O ring and in the next year or so you start to see some oil drops coming out of the weep hole at the bottom of the bell housing you might be looking at doing this job all over again. MUCH easier to do now.

Just my opinion.

John
_________________
John & Cathy

'92 K100RS4V Pearl White SOLD
'04 K1200GT
IBA Several-SS1k, BBG, 50CC NYC to S.F.

jr'sbmw · Big Brick Rider Joined: 04 Nov 2008 Posts: 54 Location: Fl

Probably crappy heat treating, as indicated in an earlier post that it happened to my friends 93 K at very low mileage. My 97 has been a good bike, but I don't trust BMW splines and that's why I pull everything for inspection occasionally. Learned my lesson with my 85 K. Install a new clutch, lubricate splines and you should be good to go.