BMW K bikes (Bricks)

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1Back to top Go down    Hello all on Sat Jul 14, 2018 5:27 pm

David_K100

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Hello All. I'd like to introduce myself. I'm Dave from Pennsylvania, USA. I'm a brand new member to this forum and am looking forward to learning all I can about a K100rs that I purchased a month or so ago. So far I've had only minor issues, most of which I was able to sort out. There are a couple of things that I plan on researching here in the forum and hopefully I'll be able to contribute a bit as well. Thank you all in advance and have a great day.

Dave

    

2Back to top Go down    Re: Hello all on Sat Jul 14, 2018 5:40 pm

charlie99

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welcome dave
many many posts regarding almost everything k related

the search function in the forum portal could help a lot

cheers


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cheezy grin whilst riding, kinda bloke ....oh the joy !!!! ...... ( brick aviator )

'86 K100 RT..#0090401 ..."Gerty" ( Gertrude Von Clickandshift ) --------O%O
    

3Back to top Go down    Re: Hello all on Sun Jul 15, 2018 3:15 am

SOU502

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Welcome from Australia!!

    

4Back to top Go down    Re: Hello all on Sun Jul 15, 2018 3:50 am

td5

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HI Dave,
Ask any questions as there is tons of info here.
If you look after it you'll find it will serve you well, their built pretty well.
Cheers
Mike


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1988 / K100RS
2003 / R1150R
2015 / K1300R
    

5Back to top Go down    Hay on Sun Jul 15, 2018 8:10 am

caveman

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Hay Dave, are you new to BMW or K bikes? They are bit different than the average bike.
Welcome.

    

6Back to top Go down    Re: Hello all on Sun Jul 15, 2018 8:54 am

Markosaurus

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Hi there Dave,  Green Kangaroo


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;BMW; K75RT “Lil’ Blue”
    

7Back to top Go down    Feeling welcome here. on Thu Aug 02, 2018 4:25 pm

David_K100

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Thank you all for the kind welcome. I've owned many bikes in my lifetime, probably approaching 25 or so. This is my first BMW and I'm eager to get started tinkering with it. 

I'm about to search the forum for a bit of info but perhaps someone could guide me a bit. A few weeks after purchasing I've been noticing a small drip of oil beneath the bike. Upon close inspection I noticed that there was a repair made to the case that houses the oil filter and sight glass and it's now leaking and I wish to replace the case (kicking myself for not noticing this before the purchase). I've found a few on line but I want to be certain of the fitment but cannot seem to locate a part number to cross reference. I've searched a few sights online that have microfische diagrams of the engine but none call out that part nor the gasket that fits between it and the engine block. 

My questions are...
What is the name for this case? I've seen it referred to as "sump case", "lower engine crank case", "oil sump housing", etc. but I'm still uncertain of the official name, so it makes it difficult to do an accurate search. 

I plan on breaking the bike down over the winter for a thorough servicing, including spline service, a clutch and cable replacement, every seal, gasket, and bearing that I can get my hands on, etc., and would like to track down as many of the parts as possible before hand. 

There are a lot of parts suppliers out there. Could someone guide me to a good, reliable, supplier? US based would be best for me but I'm willing to deal with anyone reliable.


Thank you all in advance.

Dave

    

8Back to top Go down    Re: Hello all on Thu Aug 02, 2018 6:23 pm

pprince

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Welcome from another new member.

That case is the oil pan.

As far as parts. I just made a list of a few items and ordered them from my local BMW dealer. He said most of the parts need to come from Germany.


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Paul
1984 Honda V65 Magna
1985 BMW K100RT
2011 BMW K1600GTL (gone)
2018 BMW K1600GTL
    

9Back to top Go down    Re: Hello all on Thu Aug 02, 2018 7:08 pm

Point-Seven-five

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I get what I can on eBay, and the rest from MaxBMW in New Hampshire.  Their site has parts fiche and easy ordering.  Most parts for Klassic K bikes will take about two weeks for delivery.


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Present:
1994 K75RT
1994 K75S
1992 K100RS

Past:
1982 Honda FT500
1979 Honda XR185
1977 Honda XL125
1974 Honda XL125
1972 OSSA Pioneer 250
1968 Kawasaki 175
    

10Back to top Go down    Re: Hello all on Thu Aug 02, 2018 10:36 pm

pprince

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I was in error when I said it was the oil pan after rereading your post.

i would call it the sump but the fiche does not show that as an orderable part. The closest you can go is to order a complete short block.

I think your best best is to find a good used one either separately or as part of a broken engine.


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Paul
1984 Honda V65 Magna
1985 BMW K100RT
2011 BMW K1600GTL (gone)
2018 BMW K1600GTL
    

11Back to top Go down    Re: Hello all on Fri Aug 03, 2018 12:31 am

Laitch

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@David_K100 wrote: Upon close inspection I noticed that there was a repair made to the case that houses the oil filter and sight glass and it's now leaking and I wish to replace the case. 
When you're able, post a clear photo of the damaged area.



Last edited by Laitch on Fri Aug 03, 2018 8:12 am; edited 1 time in total


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1995 K75T 68,000 miles
    

12Back to top Go down    Re: Hello all on Fri Aug 03, 2018 12:35 am

indian036

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I'm also not sure what it's officially called, but the top of that part supports the output shaft. It would be line bored along with the bottom of the block while mated together, which is why it would not be available as a separate part.

The purists would say that you should only replace the two parts as a machined together pair.

The practical people would say "let's put them together and see how they line up".

Depending on the nature of the leak and repair, it might be feasible to get someone with the appropriate skills and equipment to do a better repair with the whole thing disassembled. As with any welding of machined parts, care needs to be taken to ensure no heat distortion occurs. It would be a pity to have a nice, oil tight repair of the problem with the part then not mating properly with its partner.

Bill


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1985 K100RT  VIN 0028991  My original Very Happy   (Historic rego)
1985 K100RT  VIN 0029036  BOB the Blue Old Bike  (Historic rego)
1990 K100LT  VIN 0190452  Work in progress
1984 K100RT  VIN 0023022  Work needing lots of progress

1986 K100RT  VIN 0090542  Work needing lots and lots of progress
1993 K1100LT  VIN 0183046  Work in progress
1993 K75S  VIN 0213045  Newest toy, slightly non-original
    

David_K100

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Thank you all for the info.

Indian036, I believe I understand what you're saying but correct me if I'm wrong. So, the engine block and sump housing (for lack of an official name) are mated together, unfinished. Then the hole for the shaft is bored while together to insure proper alignment. That makes sense and I see why it isn't called out as a separate part. As far as BMW is concerned, the sump housing and the engine block, are one unit. 

I believe that I'd fall into the category of "practical" so I'm going to go ahead and buy one of the parts available on eBay and see if it lines up. The worst case scenario would be that it doesn't and I'd just have to do a better patch job than the previous owner. Which shouldn't be too difficult with the part off the bike. 

Thanks for you help!

Something that I found out (here on the forum) is that there is no gasket used between the parts. There is a sealer that BMW recommends for that but the name and part no. escapes me at the moment.

Thank you again,
Dave

    

14Back to top Go down    Re: Hello all on Sat Aug 04, 2018 3:46 am

indian036

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You understood what I wrote perfectly. Very Happy 
I don’t have the specific knowledge to say it’s definitely the case, but line boring of mated parts like that is a standard manufacturing procedure in many machines, so I’d be extremely surprised if that wasn’t the case. 

That also explains the non-use of a gasket, as perfect alignment would easily be disturbed by a slight difference in gasket thickness or compressibility on installation. 
BMW will doubtless specify a particular sealing product with their brand on it, but it’s a common enough situation that any decent automotive parts store will have a suitable product by a reputable maker. 

Bill


__________________________________________________
1985 K100RT  VIN 0028991  My original Very Happy   (Historic rego)
1985 K100RT  VIN 0029036  BOB the Blue Old Bike  (Historic rego)
1990 K100LT  VIN 0190452  Work in progress
1984 K100RT  VIN 0023022  Work needing lots of progress

1986 K100RT  VIN 0090542  Work needing lots and lots of progress
1993 K1100LT  VIN 0183046  Work in progress
1993 K75S  VIN 0213045  Newest toy, slightly non-original
    

15Back to top Go down    Re: Hello all on Sat Aug 04, 2018 4:55 am

duck

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WelKome to the forum.

A&S BMW has no tax and free shipping on all orders. That's where I get parts.

If I were going to replace the oil sump I would just use some Permatex gasket sealant.


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Current stable:
86 Custom K100 (standard fairing, K75 Belly pan, Ceramic chromed engine covers, paralever)
K75 Frankenbrick (Paralever, K11 front end, hybrid ABS, K1100RS fairing, radial tires)
86 K75C Turbo w/ paralever
94 K1100RS
93 K1100LT (x2)
91 K1
93 K75S (K11 front end)
91 K75S (K1 front end)
14 Yamaha WR250R
http://www.ClassicKBikes.com
    

16Back to top Go down    Re: Hello all on Sat Aug 04, 2018 6:17 am

TacKler

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Welkom Dave,  

With a name like that you'll do just fine.   Cool 

I just refer to it as the sump and the confusion maybe with R series bikes which have a gasket between the sump and block.  If you drop the sump to change the filter, you can also clean out the grunge, etc sitting in the sump.  

Since you are in the U S, then EME in Colorado are a good source for all things electric.  They have a range of other parts, including filters and their own brand name stuff as well as OEM.  It all helps if you are on a budget. 

Cheers, Dave.


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Red 1991 K75S
    

17Back to top Go down    Re: Hello all on Sat Aug 04, 2018 7:38 am

88

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Welcome to the forum. Give yourself a couple of thousand miles on the k and you'll never want to be without one!


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88....May contain nuts!

"The world is a book and those who do not travel read only one page." - St. Augustine from 1600 years ago & still true!

Bike: K100LT 1988. 0172363. AKA the Bullion Brick! Mods: k1100 screen and stands.
K1: 1990. 6374189. Custom Stealth Black paint.
    

18Back to top Go down    New brick pilot (in training) on Wed Aug 08, 2018 7:24 pm

Bricktop

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Hi all. Name is Rui and I live in Ireland. Bought a 1985 k100 that has been parked up for more then 8 years and as you can all guess I'm going to need a lot of tuition.
I'm mechanically/ electrically minded and love old challenges, but it's great to have the backup of experienced k100 veterans.

    

19Back to top Go down    Re: Hello all on Fri Aug 10, 2018 3:02 pm

Dai

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You're better starting a new thread though. You could easily get overlooked in an existing one.


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'83 K100 upgraded to K100RS spec
Others...
'78 Moto Guzzi 850-T3, '79 Moto Guzzi 850-T3 California,'93 Moto Guzzi 1100ie California,
'03 Suzuki Blandit GSF600SK3 (NFS any more because wifey has claimed it)
    

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