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iagins
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VBMWMO #8471
New Mexico
Joined: 03/12/2013
Posts: 242

Well, it's a 1991 BMW, so it's 25 years old. It's my K75.

I haven't seen any posts regarding the flying bricks, so I'm just curious - is there a place here for them?

Cheers!

Ira Agins
Santa Fe, NM
'67 R50/2, '91 K75

Darryl.Richman
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VBMWMO #6285
Surf City, USA (Santa Cruz, CA)
Joined: 10/27/2006
Posts: 2183
Hi Ira! They definitely

Hi Ira! They definitely qualify - about 7 years ago we had an issue of the magazine with a couple articles about K bikes to celebrate the first K100s becoming Classics. As the editor, I frankly expected to get a few outraged letters, but it was just crickets. I'm wondering how people will react, in a couple more years when the first Oilheads qualify. I must be getting really old, because I still own one I bought new...

Anyway, it would be cool if we could get some discussion going here about K bikes. The K75 is ultra smooth.

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dardaris2725
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VBMWMO #2725
Central NY
Joined: 10/27/2006
Posts: 38
K bikes

How about creating a new section (ala R90s) for K bikes, and see what shows up?

iagins
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VBMWMO #8471
New Mexico
Joined: 03/12/2013
Posts: 242
What he said. Yes, the K75

What he said. Smile

Yes, the K75 is probably the smoothest of all the BMW's. That's one reason I love it so much.

Here it is as I brought it a couple of years ago, with only 7k miles on the clock.

Ira Agins
Santa Fe, NM

  • resize_of_imgp0399.jpg
Meerkat
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England
Joined: 01/27/2013
Posts: 38
Smaller K bikes

Darryl.Richman wrote:

Anyway, it would be cool if we could get some discussion going here about K bikes. The K75 is ultra smooth.

I share your views about the smaller K's, they are very smooth.
Like you I bought my red K75S new in 1989 and covered 188,500 miles with it mostly 2 up. I eventually sold it when I bought an F800S/ST and noticed the huge weight advantage of the F.
I've had no regrets since about it going but I still remember it with fondness.
These days I mostly tend to ride my 1981 R65LS and currently I'm overhauling the top end on the R25/3 before getting to grips with the R27 which has been an expensive white elephant.

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I love the old single cylinder series BMW's and my R65LS.

Darryl.Richman
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VBMWMO #6285
Surf City, USA (Santa Cruz, CA)
Joined: 10/27/2006
Posts: 2183
I had a couple requests for a

I had a couple requests for a K bike area on the forum. I am willing to create a new area, but only if there seems to be "enough" activity. One way or another, I anticipate that we will need to have a "New Classics" area to cover things beyond Airheads: K Bricks, Oilheads and the various permutations of the F (and G) bike series. But I'd like to see a demonstrated need in the community before I do it.

BTW, if you love your K bikes, why not consider writing something up for the club magazine? I would love to have an article on, for example, the evolution of the Flying Bricks.

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bmw-mechanic
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southwest germany
Joined: 02/25/2014
Posts: 61
Hello A Brick area is a

Hello

A Brick area is a pretty good idea.

I`ve owned an `86 k100rs from `99 to `09. driving more than 100 tkm`s.

it was a very comfortable and reliable motorbike, made for every day use, espcially from march to end of october when i was working in munich.
simply said, the brick was my all day used car.

the watercooling has its advance in the summer months with the typical munich traffic jam.

but the brick is more complicated with spark generation and the fuel injection L1-Jetronic made by bosch.

if you have an old brick with inattentive service, this motorbike will give you more complicated tasks than the well known airhead.

well known problems can be leaky rubber hoses (this is a nightmare!!), damaged cooling water sensor, electric contact oxidation, not correct operating idle sensor, old and ineffective fuel pump, old fuel filter, and sticky injection nozzles and old spark cables and spark plugs.

the jetronic unit itself has build in a few electrolythic capacitors which can dry out in 20 to 30 years, so you have problems with a constant dc voltage supply inside the jetronic module. the same is with the vz51 and vz52 spark generation units (k75 and k100 are different ).

in europe, especaially germany, the knowledge of the old car injection units like jetronik is definitely decreasing. there are some specialists who are able to repair electronic components, but lots of service stations do not know how to do effective bugfixing. simply said, the garage is changing components and you have to pay the charges Sad

the k100 4V build at the end of the `80s has a motronic injection inside. this is a combination of analog electronic sensoring and a digital processing unit.

the new 4V k1100 brick Version build in the `90s has a digital motronic Alpha/n injection inside, combining spark and fuel injection.
this is more easyer to do the bugfixing of the components when malfunctioning. well known problem with the
bosch motronic 2.4 is the coding plug.

regards and keep the bricks alive.

dieter

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