K11 Owners Group

sccommuter · Posted: Fri May 31, 2013 5:54 pm Post subject: Gear oil under the bike

Stepped into the man cave the other morning to an unwelcome site. A puddle of gear oil under the bike. I was on the way to the airport so I just snapped a few quick pics of the problem. It's definitely coming from the transmission and looks like it is coming from the rubber boot on the back of the tranny where the adjusting screw is. Some of you know I replaced this transmission last summer and have had no problems with it.I did a slight adjustment on the clutch screw just before HM VI. The bike has been parked since HM VI.Sorry, but I've been working to make up for time taken off and for the time off I'll need in July. The puddle wasn't there 8 days ago when I left town. I'm out of the country right now so won't be able to start on it til Monday. Just thought I get ya'lls thoughts ahead of time. Thanks

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1995 K1100 LT
Illegitimi non Carborundum

drikko · Posted: Fri May 31, 2013 6:01 pm Post subject:

It's the very clever BMW Gear Oil level indicator. When it stops you know you have to top it up.....

You might get a sensible answer from someone else hopefully Laughing

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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.'
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Tim (Midland Section) · Posted: Fri May 31, 2013 6:37 pm Post subject:

Just replace the boot. Looks like bellows. Tis a common failure, they age & crack. Can be done without too much spannering. Take out rear wheel, remove shock mount at bottom, tie up swing arm. Part number coming, soon as I look it up.
HTH

23 13 1 338 731 CUP 0.02 1 $37.42 AKA clutch boot.

http://www.maxbmwmotorcycles.com/fiche/DiagramsThumb/B0000512.png?v=04302013

http://www.maxbmwmotorcycles.com/fiche/DiagramsMain.aspx?vid=51711&rnd=04052012

Number 6 · Posted: Fri May 31, 2013 7:32 pm Post subject:

You'll also have to remove the exhaust which can be a pain.
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I am not a number, I am a free man.

94 K1100LT

Tim (Midland Section) · Posted: Fri May 31, 2013 7:37 pm Post subject:

Number 6 · Posted: Fri May 31, 2013 8:13 pm Post subject:

Tim (Midland Section) · Posted: Sat Jun 01, 2013 8:17 pm Post subject:

Number 6 · Posted: Sun Jun 02, 2013 1:50 am Post subject:

drikko · Posted: Sun Jun 02, 2013 2:08 am Post subject:

sccommuter · Posted: Mon Jun 03, 2013 9:00 am Post subject:

Thanks guys, I'll start on it today and get the boot ordered. As always Drikko, thanks for the humor!
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1995 K1100 LT
Illegitimi non Carborundum

Niemand · Posted: Mon Jun 03, 2013 5:41 pm Post subject: So familiar...

I had the same issue when I bought mine a few years ago. I wrote it off as a torn boot and replaced it, but it happened again with the new one despite a clean install. (old boot looked fine also)

I have since re-seated the clutch adjustment bolt a couple of times and it seems to have fixed it. I'm still not quite sure what I ever did differently, as there was never any sort of audible or tactile click to let me know it had seated.

In short, make sure you get a solid seal between the boot and bolt when buttoning it up. I sure don't miss that puddle. (or the lovely aroma of gear oil roasting on the collector box)
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Niemand

1994 K1100RS
2023 DR650SE

BexarWolf · Posted: Fri Jun 14, 2013 12:30 am Post subject:

Oddly enough, I had the same issue tonight. I was changing the antifreeze and during the warm-up to get the radiator fluid down, I see this:

Made some inquiries on motobrick and was advised to check the clutch adjustment boot and found this:

So........looks like I'll be getting more intimate with my brick than I had originally planned. Oh well. It had to happen. I've had it for over a year and life has been painless so it's time to open the wallet and get dirty.
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1994 K1100RS

"Sit tall in the saddle, hold your head up high. Keep your eyes fixed where the trail meets the sky. Live like you ain't afraid to die. Don't be scared, just enjoy your ride" ~ Chris LeDoux